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Finding the Fourth Proportional to 107,395.59, 161,031.65 and 44,259.30

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Solution

The fourth proportional to 107,395.59, 161,031.65 and 44,259.30 is: 66,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,395.59 : 161,031.65 = 44,259.30 : x
  2. Step 2: Convert to fraction form
    107,395.59/161,031.65 = 44,259.30/x
  3. Step 3: Cross multiply
    107,395.59x = 161,031.65 × 44,259.30
  4. Step 4: Simplify right side
    107,395.59x = 7,127,147,885.55
  5. Step 5: Solve for x
    x = 7,127,147,885.55/107,395.59
  6. Step 6: Final answer
    x = 66,363.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.