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Finding the Fourth Proportional to 107,230.59, 147,985.25 and 59,489.19

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Solution

The fourth proportional to 107,230.59, 147,985.25 and 59,489.19 is: 82,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,230.59 : 147,985.25 = 59,489.19 : x
  2. Step 2: Convert to fraction form
    107,230.59/147,985.25 = 59,489.19/x
  3. Step 3: Cross multiply
    107,230.59x = 147,985.25 × 59,489.19
  4. Step 4: Simplify right side
    107,230.59x = 8,803,522,357.00
  5. Step 5: Solve for x
    x = 8,803,522,357.00/107,230.59
  6. Step 6: Final answer
    x = 82,098.98

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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.