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Finding the Fourth Proportional to 62,986,694.60, 94,480,041.90 and 47,758,176.20

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Solution

The fourth proportional to 62,986,694.60, 94,480,041.90 and 47,758,176.20 is: 71,637,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986,694.60 : 94,480,041.90 = 47,758,176.20 : x
  2. Step 2: Convert to fraction form
    62,986,694.60/94,480,041.90 = 47,758,176.20/x
  3. Step 3: Cross multiply
    62,986,694.60x = 94,480,041.90 × 47,758,176.20
  4. Step 4: Simplify right side
    62,986,694.60x = 4,512,194,488,443,583
  5. Step 5: Solve for x
    x = 4,512,194,488,443,583/62,986,694.60
  6. Step 6: Final answer
    x = 71,637,264.30

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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.