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Finding the Fourth Proportional to 107,064.30, 160,596.45 and 71,813.10

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Solution

The fourth proportional to 107,064.30, 160,596.45 and 71,813.10 is: 107,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,064.30 : 160,596.45 = 71,813.10 : x
  2. Step 2: Convert to fraction form
    107,064.30/160,596.45 = 71,813.10/x
  3. Step 3: Cross multiply
    107,064.30x = 160,596.45 × 71,813.10
  4. Step 4: Simplify right side
    107,064.30x = 11,532,928,923.50
  5. Step 5: Solve for x
    x = 11,532,928,923.50/107,064.30
  6. Step 6: Final answer
    x = 107,719.65

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Similar ratio
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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.