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Finding the Fourth Proportional to 112,266,194.40, 168,399,291.60 and 112,266,194.40

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Solution

The fourth proportional to 112,266,194.40, 168,399,291.60 and 112,266,194.40 is: 168,399,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266,194.40 : 168,399,291.60 = 112,266,194.40 : x
  2. Step 2: Convert to fraction form
    112,266,194.40/168,399,291.60 = 112,266,194.40/x
  3. Step 3: Cross multiply
    112,266,194.40x = 168,399,291.60 × 112,266,194.40
  4. Step 4: Simplify right side
    112,266,194.40x = 18,905,547,607,587,888
  5. Step 5: Solve for x
    x = 18,905,547,607,587,888/112,266,194.40
  6. Step 6: Final answer
    x = 168,399,291.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.