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Finding the Fourth Proportional to 88,558.60, 133,097.10 and 77,153.80

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Solution

The fourth proportional to 88,558.60, 133,097.10 and 77,153.80 is: 115,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,558.60 : 133,097.10 = 77,153.80 : x
  2. Step 2: Convert to fraction form
    88,558.60/133,097.10 = 77,153.80/x
  3. Step 3: Cross multiply
    88,558.60x = 133,097.10 × 77,153.80
  4. Step 4: Simplify right side
    88,558.60x = 10,268,947,033.98
  5. Step 5: Solve for x
    x = 10,268,947,033.98/88,558.60
  6. Step 6: Final answer
    x = 115,956.52

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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.