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Finding the Fourth Proportional to 42,365,301.30, 63,547,951.95 and 42,365,301.30

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Solution

The fourth proportional to 42,365,301.30, 63,547,951.95 and 42,365,301.30 is: 63,547,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,365,301.30 : 63,547,951.95 = 42,365,301.30 : x
  2. Step 2: Convert to fraction form
    42,365,301.30/63,547,951.95 = 42,365,301.30/x
  3. Step 3: Cross multiply
    42,365,301.30x = 63,547,951.95 × 42,365,301.30
  4. Step 4: Simplify right side
    42,365,301.30x = 2,692,228,131,359,672.50
  5. Step 5: Solve for x
    x = 2,692,228,131,359,672.50/42,365,301.30
  6. Step 6: Final answer
    x = 63,547,951.95

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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.