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Finding the Fourth Proportional to 63,908,582.40, 95,862,873.60 and 53,704,915.20

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Solution

The fourth proportional to 63,908,582.40, 95,862,873.60 and 53,704,915.20 is: 80,557,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,908,582.40 : 95,862,873.60 = 53,704,915.20 : x
  2. Step 2: Convert to fraction form
    63,908,582.40/95,862,873.60 = 53,704,915.20/x
  3. Step 3: Cross multiply
    63,908,582.40x = 95,862,873.60 × 53,704,915.20
  4. Step 4: Simplify right side
    63,908,582.40x = 5,148,307,497,516,319
  5. Step 5: Solve for x
    x = 5,148,307,497,516,319/63,908,582.40
  6. Step 6: Final answer
    x = 80,557,372.80

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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.