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Finding the Fourth Proportional to 107,246.40, 148,009.20 and 59,515.20

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Solution

The fourth proportional to 107,246.40, 148,009.20 and 59,515.20 is: 82,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,246.40 : 148,009.20 = 59,515.20 : x
  2. Step 2: Convert to fraction form
    107,246.40/148,009.20 = 59,515.20/x
  3. Step 3: Cross multiply
    107,246.40x = 148,009.20 × 59,515.20
  4. Step 4: Simplify right side
    107,246.40x = 8,808,797,139.84
  5. Step 5: Solve for x
    x = 8,808,797,139.84/107,246.40
  6. Step 6: Final answer
    x = 82,136.06

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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.