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Finding the Fourth Proportional to 106,695.60, 147,193.68 and 64,229.53

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Solution

The fourth proportional to 106,695.60, 147,193.68 and 64,229.53 is: 88,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,695.60 : 147,193.68 = 64,229.53 : x
  2. Step 2: Convert to fraction form
    106,695.60/147,193.68 = 64,229.53/x
  3. Step 3: Cross multiply
    106,695.60x = 147,193.68 × 64,229.53
  4. Step 4: Simplify right side
    106,695.60x = 9,454,180,828.50
  5. Step 5: Solve for x
    x = 9,454,180,828.50/106,695.60
  6. Step 6: Final answer
    x = 88,608.91

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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.