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Finding the Fourth Proportional to 108,686.60, 162,667.02 and 61,926.92

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Solution

The fourth proportional to 108,686.60, 162,667.02 and 61,926.92 is: 92,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,686.60 : 162,667.02 = 61,926.92 : x
  2. Step 2: Convert to fraction form
    108,686.60/162,667.02 = 61,926.92/x
  3. Step 3: Cross multiply
    108,686.60x = 162,667.02 × 61,926.92
  4. Step 4: Simplify right side
    108,686.60x = 10,073,467,534.18
  5. Step 5: Solve for x
    x = 10,073,467,534.18/108,686.60
  6. Step 6: Final answer
    x = 92,683.62

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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.