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Finding the Fourth Proportional to 161,755.50, 223,223.47 and 93,812.76

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Solution

The fourth proportional to 161,755.50, 223,223.47 and 93,812.76 is: 129,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,755.50 : 223,223.47 = 93,812.76 : x
  2. Step 2: Convert to fraction form
    161,755.50/223,223.47 = 93,812.76/x
  3. Step 3: Cross multiply
    161,755.50x = 223,223.47 × 93,812.76
  4. Step 4: Simplify right side
    161,755.50x = 20,941,209,817.48
  5. Step 5: Solve for x
    x = 20,941,209,817.48/161,755.50
  6. Step 6: Final answer
    x = 129,462.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.