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Finding the Fourth Proportional to 88,626.60, 133,037.10 and 55,384.20

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Solution

The fourth proportional to 88,626.60, 133,037.10 and 55,384.20 is: 83,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,626.60 : 133,037.10 = 55,384.20 : x
  2. Step 2: Convert to fraction form
    88,626.60/133,037.10 = 55,384.20/x
  3. Step 3: Cross multiply
    88,626.60x = 133,037.10 × 55,384.20
  4. Step 4: Simplify right side
    88,626.60x = 7,368,153,353.82
  5. Step 5: Solve for x
    x = 7,368,153,353.82/88,626.60
  6. Step 6: Final answer
    x = 83,137.04

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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.