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Finding the Fourth Proportional to 92,037.60, 138,056.40 and 88,538.40

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Solution

The fourth proportional to 92,037.60, 138,056.40 and 88,538.40 is: 132,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,037.60 : 138,056.40 = 88,538.40 : x
  2. Step 2: Convert to fraction form
    92,037.60/138,056.40 = 88,538.40/x
  3. Step 3: Cross multiply
    92,037.60x = 138,056.40 × 88,538.40
  4. Step 4: Simplify right side
    92,037.60x = 12,223,292,765.76
  5. Step 5: Solve for x
    x = 12,223,292,765.76/92,037.60
  6. Step 6: Final answer
    x = 132,807.60

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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.