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Finding the Fourth Proportional to 133,061.76, 183,625.92 and 73,445.76

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Solution

The fourth proportional to 133,061.76, 183,625.92 and 73,445.76 is: 101,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,061.76 : 183,625.92 = 73,445.76 : x
  2. Step 2: Convert to fraction form
    133,061.76/183,625.92 = 73,445.76/x
  3. Step 3: Cross multiply
    133,061.76x = 183,625.92 × 73,445.76
  4. Step 4: Simplify right side
    133,061.76x = 13,486,545,250.10
  5. Step 5: Solve for x
    x = 13,486,545,250.10/133,061.76
  6. Step 6: Final answer
    x = 101,355.53

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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.