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Finding the Fourth Proportional to 91,566.80, 137,119.80 and 60,232.40

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Solution

The fourth proportional to 91,566.80, 137,119.80 and 60,232.40 is: 90,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,566.80 : 137,119.80 = 60,232.40 : x
  2. Step 2: Convert to fraction form
    91,566.80/137,119.80 = 60,232.40/x
  3. Step 3: Cross multiply
    91,566.80x = 137,119.80 × 60,232.40
  4. Step 4: Simplify right side
    91,566.80x = 8,259,054,641.52
  5. Step 5: Solve for x
    x = 8,259,054,641.52/91,566.80
  6. Step 6: Final answer
    x = 90,197.04

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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.