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Finding the Fourth Proportional to 107,079.30, 147,769.29 and 59,335.74

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Solution

The fourth proportional to 107,079.30, 147,769.29 and 59,335.74 is: 81,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.30 : 147,769.29 = 59,335.74 : x
  2. Step 2: Convert to fraction form
    107,079.30/147,769.29 = 59,335.74/x
  3. Step 3: Cross multiply
    107,079.30x = 147,769.29 × 59,335.74
  4. Step 4: Simplify right side
    107,079.30x = 8,768,000,171.42
  5. Step 5: Solve for x
    x = 8,768,000,171.42/107,079.30
  6. Step 6: Final answer
    x = 81,883.24

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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.