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Finding the Fourth Proportional to 112,331,266.40, 168,496,899.60 and 112,331,266.40

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Solution

The fourth proportional to 112,331,266.40, 168,496,899.60 and 112,331,266.40 is: 168,496,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,266.40 : 168,496,899.60 = 112,331,266.40 : x
  2. Step 2: Convert to fraction form
    112,331,266.40/168,496,899.60 = 112,331,266.40/x
  3. Step 3: Cross multiply
    112,331,266.40x = 168,496,899.60 × 112,331,266.40
  4. Step 4: Simplify right side
    112,331,266.40x = 18,927,470,116,541,652
  5. Step 5: Solve for x
    x = 18,927,470,116,541,652/112,331,266.40
  6. Step 6: Final answer
    x = 168,496,899.60

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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.