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Finding the Fourth Proportional to 92,037.60, 138,056.40 and 29,708.10

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Solution

The fourth proportional to 92,037.60, 138,056.40 and 29,708.10 is: 44,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,037.60 : 138,056.40 = 29,708.10 : x
  2. Step 2: Convert to fraction form
    92,037.60/138,056.40 = 29,708.10/x
  3. Step 3: Cross multiply
    92,037.60x = 138,056.40 × 29,708.10
  4. Step 4: Simplify right side
    92,037.60x = 4,101,393,336.84
  5. Step 5: Solve for x
    x = 4,101,393,336.84/92,037.60
  6. Step 6: Final answer
    x = 44,562.15

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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.