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Finding the Fourth Proportional to 107,655.59, 148,563.65 and 59,908.12

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Solution

The fourth proportional to 107,655.59, 148,563.65 and 59,908.12 is: 82,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,655.59 : 148,563.65 = 59,908.12 : x
  2. Step 2: Convert to fraction form
    107,655.59/148,563.65 = 59,908.12/x
  3. Step 3: Cross multiply
    107,655.59x = 148,563.65 × 59,908.12
  4. Step 4: Simplify right side
    107,655.59x = 8,900,167,929.48
  5. Step 5: Solve for x
    x = 8,900,167,929.48/107,655.59
  6. Step 6: Final answer
    x = 82,672.60

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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.