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Finding the Fourth Proportional to 88,689.60, 133,099.20 and 59,097.60

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Solution

The fourth proportional to 88,689.60, 133,099.20 and 59,097.60 is: 88,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689.60 : 133,099.20 = 59,097.60 : x
  2. Step 2: Convert to fraction form
    88,689.60/133,099.20 = 59,097.60/x
  3. Step 3: Cross multiply
    88,689.60x = 133,099.20 × 59,097.60
  4. Step 4: Simplify right side
    88,689.60x = 7,865,843,281.92
  5. Step 5: Solve for x
    x = 7,865,843,281.92/88,689.60
  6. Step 6: Final answer
    x = 88,689.58

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1.5x scale

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.