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Finding the Fourth Proportional to 107,437.60, 161,099.70 and 36,335.80

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Solution

The fourth proportional to 107,437.60, 161,099.70 and 36,335.80 is: 54,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.60 : 161,099.70 = 36,335.80 : x
  2. Step 2: Convert to fraction form
    107,437.60/161,099.70 = 36,335.80/x
  3. Step 3: Cross multiply
    107,437.60x = 161,099.70 × 36,335.80
  4. Step 4: Simplify right side
    107,437.60x = 5,853,686,479.26
  5. Step 5: Solve for x
    x = 5,853,686,479.26/107,437.60
  6. Step 6: Final answer
    x = 54,484.52

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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.