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Finding the Fourth Proportional to 160,026.93, 220,742.15 and 103,471.65

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Solution

The fourth proportional to 160,026.93, 220,742.15 and 103,471.65 is: 142,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,026.93 : 220,742.15 = 103,471.65 : x
  2. Step 2: Convert to fraction form
    160,026.93/220,742.15 = 103,471.65/x
  3. Step 3: Cross multiply
    160,026.93x = 220,742.15 × 103,471.65
  4. Step 4: Simplify right side
    160,026.93x = 22,840,553,967.69
  5. Step 5: Solve for x
    x = 22,840,553,967.69/160,026.93
  6. Step 6: Final answer
    x = 142,729.44

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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.