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Finding the Fourth Proportional to 88,580.60, 133,075.70 and 60,932.60

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Solution

The fourth proportional to 88,580.60, 133,075.70 and 60,932.60 is: 91,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580.60 : 133,075.70 = 60,932.60 : x
  2. Step 2: Convert to fraction form
    88,580.60/133,075.70 = 60,932.60/x
  3. Step 3: Cross multiply
    88,580.60x = 133,075.70 × 60,932.60
  4. Step 4: Simplify right side
    88,580.60x = 8,108,648,397.82
  5. Step 5: Solve for x
    x = 8,108,648,397.82/88,580.60
  6. Step 6: Final answer
    x = 91,539.78

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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.