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Finding the Fourth Proportional to 107,671.68, 161,534.52 and 63,335.52

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Solution

The fourth proportional to 107,671.68, 161,534.52 and 63,335.52 is: 95,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,671.68 : 161,534.52 = 63,335.52 : x
  2. Step 2: Convert to fraction form
    107,671.68/161,534.52 = 63,335.52/x
  3. Step 3: Cross multiply
    107,671.68x = 161,534.52 × 63,335.52
  4. Step 4: Simplify right side
    107,671.68x = 10,230,872,822.15
  5. Step 5: Solve for x
    x = 10,230,872,822.15/107,671.68
  6. Step 6: Final answer
    x = 95,019.16

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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.