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Finding the Fourth Proportional to 104,135.60, 156,187.20 and 29,248.40

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Solution

The fourth proportional to 104,135.60, 156,187.20 and 29,248.40 is: 43,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,135.60 : 156,187.20 = 29,248.40 : x
  2. Step 2: Convert to fraction form
    104,135.60/156,187.20 = 29,248.40/x
  3. Step 3: Cross multiply
    104,135.60x = 156,187.20 × 29,248.40
  4. Step 4: Simplify right side
    104,135.60x = 4,568,225,700.48
  5. Step 5: Solve for x
    x = 4,568,225,700.48/104,135.60
  6. Step 6: Final answer
    x = 43,868.05

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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.