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Finding the Fourth Proportional to 159,985,877.76, 239,978,816.69 and 44,970,420.08

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Solution

The fourth proportional to 159,985,877.76, 239,978,816.69 and 44,970,420.08 is: 67,455,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,985,877.76 : 239,978,816.69 = 44,970,420.08 : x
  2. Step 2: Convert to fraction form
    159,985,877.76/239,978,816.69 = 44,970,420.08/x
  3. Step 3: Cross multiply
    159,985,877.76x = 239,978,816.69 × 44,970,420.08
  4. Step 4: Simplify right side
    159,985,877.76x = 10,791,948,196,850,614
  5. Step 5: Solve for x
    x = 10,791,948,196,850,614/159,985,877.76
  6. Step 6: Final answer
    x = 67,455,630.13

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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.