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Finding the Fourth Proportional to 107,065.80, 147,753.72 and 59,324.40

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Solution

The fourth proportional to 107,065.80, 147,753.72 and 59,324.40 is: 81,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.80 : 147,753.72 = 59,324.40 : x
  2. Step 2: Convert to fraction form
    107,065.80/147,753.72 = 59,324.40/x
  3. Step 3: Cross multiply
    107,065.80x = 147,753.72 × 59,324.40
  4. Step 4: Simplify right side
    107,065.80x = 8,765,400,786.77
  5. Step 5: Solve for x
    x = 8,765,400,786.77/107,065.80
  6. Step 6: Final answer
    x = 81,869.29

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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.