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Finding the Fourth Proportional to 94,511.40, 142,642.20 and 94,511.40

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Solution

The fourth proportional to 94,511.40, 142,642.20 and 94,511.40 is: 142,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,511.40 : 142,642.20 = 94,511.40 : x
  2. Step 2: Convert to fraction form
    94,511.40/142,642.20 = 94,511.40/x
  3. Step 3: Cross multiply
    94,511.40x = 142,642.20 × 94,511.40
  4. Step 4: Simplify right side
    94,511.40x = 13,481,314,021.08
  5. Step 5: Solve for x
    x = 13,481,314,021.08/94,511.40
  6. Step 6: Final answer
    x = 142,642.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.