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Finding the Fourth Proportional to 160,007.20, 220,731.60 and 103,467.04

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Solution

The fourth proportional to 160,007.20, 220,731.60 and 103,467.04 is: 142,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,007.20 : 220,731.60 = 103,467.04 : x
  2. Step 2: Convert to fraction form
    160,007.20/220,731.60 = 103,467.04/x
  3. Step 3: Cross multiply
    160,007.20x = 220,731.60 × 103,467.04
  4. Step 4: Simplify right side
    160,007.20x = 22,838,445,286.46
  5. Step 5: Solve for x
    x = 22,838,445,286.46/160,007.20
  6. Step 6: Final answer
    x = 142,733.86

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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.