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Finding the Fourth Proportional to 160,896,972.80, 241,471,430.40 and 74,646,066.80

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Solution

The fourth proportional to 160,896,972.80, 241,471,430.40 and 74,646,066.80 is: 112,027,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,896,972.80 : 241,471,430.40 = 74,646,066.80 : x
  2. Step 2: Convert to fraction form
    160,896,972.80/241,471,430.40 = 74,646,066.80/x
  3. Step 3: Cross multiply
    160,896,972.80x = 241,471,430.40 × 74,646,066.80
  4. Step 4: Simplify right side
    160,896,972.80x = 18,024,892,523,929,952
  5. Step 5: Solve for x
    x = 18,024,892,523,929,952/160,896,972.80
  6. Step 6: Final answer
    x = 112,027,542.91

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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.