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Finding the Fourth Proportional to 42,047,560.80, 63,071,341.20 and 42,047,560.80

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Solution

The fourth proportional to 42,047,560.80, 63,071,341.20 and 42,047,560.80 is: 63,071,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,047,560.80 : 63,071,341.20 = 42,047,560.80 : x
  2. Step 2: Convert to fraction form
    42,047,560.80/63,071,341.20 = 42,047,560.80/x
  3. Step 3: Cross multiply
    42,047,560.80x = 63,071,341.20 × 42,047,560.80
  4. Step 4: Simplify right side
    42,047,560.80x = 2,651,996,053,844,545
  5. Step 5: Solve for x
    x = 2,651,996,053,844,545/42,047,560.80
  6. Step 6: Final answer
    x = 63,071,341.20

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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.