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Finding the Fourth Proportional to 66,577.60, 99,572.48 and 59,233.60

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Solution

The fourth proportional to 66,577.60, 99,572.48 and 59,233.60 is: 88,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,577.60 : 99,572.48 = 59,233.60 : x
  2. Step 2: Convert to fraction form
    66,577.60/99,572.48 = 59,233.60/x
  3. Step 3: Cross multiply
    66,577.60x = 99,572.48 × 59,233.60
  4. Step 4: Simplify right side
    66,577.60x = 5,898,036,451.33
  5. Step 5: Solve for x
    x = 5,898,036,451.33/66,577.60
  6. Step 6: Final answer
    x = 88,588.90

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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.