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Finding the Fourth Proportional to 136,222.92, 187,988.56 and 75,796.11

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Solution

The fourth proportional to 136,222.92, 187,988.56 and 75,796.11 is: 104,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,222.92 : 187,988.56 = 75,796.11 : x
  2. Step 2: Convert to fraction form
    136,222.92/187,988.56 = 75,796.11/x
  3. Step 3: Cross multiply
    136,222.92x = 187,988.56 × 75,796.11
  4. Step 4: Simplify right side
    136,222.92x = 14,248,801,572.50
  5. Step 5: Solve for x
    x = 14,248,801,572.50/136,222.92
  6. Step 6: Final answer
    x = 104,599.15

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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.