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Finding the Fourth Proportional to 161,887,592.80, 242,747,408.40 and 59,598,978.40

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Solution

The fourth proportional to 161,887,592.80, 242,747,408.40 and 59,598,978.40 is: 89,367,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,887,592.80 : 242,747,408.40 = 59,598,978.40 : x
  2. Step 2: Convert to fraction form
    161,887,592.80/242,747,408.40 = 59,598,978.40/x
  3. Step 3: Cross multiply
    161,887,592.80x = 242,747,408.40 × 59,598,978.40
  4. Step 4: Simplify right side
    161,887,592.80x = 14,467,497,549,887,578
  5. Step 5: Solve for x
    x = 14,467,497,549,887,578/161,887,592.80
  6. Step 6: Final answer
    x = 89,367,550.04

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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.