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Finding the Fourth Proportional to 161,946.80, 242,592.15 and 91,744.10

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Solution

The fourth proportional to 161,946.80, 242,592.15 and 91,744.10 is: 137,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.80 : 242,592.15 = 91,744.10 : x
  2. Step 2: Convert to fraction form
    161,946.80/242,592.15 = 91,744.10/x
  3. Step 3: Cross multiply
    161,946.80x = 242,592.15 × 91,744.10
  4. Step 4: Simplify right side
    161,946.80x = 22,256,398,468.82
  5. Step 5: Solve for x
    x = 22,256,398,468.82/161,946.80
  6. Step 6: Final answer
    x = 137,430.31

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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.