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Finding the Fourth Proportional to 161,702.20, 242,553.30 and 157,094.20

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Solution

The fourth proportional to 161,702.20, 242,553.30 and 157,094.20 is: 235,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.20 : 242,553.30 = 157,094.20 : x
  2. Step 2: Convert to fraction form
    161,702.20/242,553.30 = 157,094.20/x
  3. Step 3: Cross multiply
    161,702.20x = 242,553.30 × 157,094.20
  4. Step 4: Simplify right side
    161,702.20x = 38,103,716,620.86
  5. Step 5: Solve for x
    x = 38,103,716,620.86/161,702.20
  6. Step 6: Final answer
    x = 235,641.30

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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.