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Finding the Fourth Proportional to 104,671.60, 144,483.90 and 62,229.92

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Solution

The fourth proportional to 104,671.60, 144,483.90 and 62,229.92 is: 85,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,671.60 : 144,483.90 = 62,229.92 : x
  2. Step 2: Convert to fraction form
    104,671.60/144,483.90 = 62,229.92/x
  3. Step 3: Cross multiply
    104,671.60x = 144,483.90 × 62,229.92
  4. Step 4: Simplify right side
    104,671.60x = 8,991,221,538.29
  5. Step 5: Solve for x
    x = 8,991,221,538.29/104,671.60
  6. Step 6: Final answer
    x = 85,899.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.