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Finding the Fourth Proportional to 108,192.71, 162,096.80 and 66,052.87

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Solution

The fourth proportional to 108,192.71, 162,096.80 and 66,052.87 is: 98,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,192.71 : 162,096.80 = 66,052.87 : x
  2. Step 2: Convert to fraction form
    108,192.71/162,096.80 = 66,052.87/x
  3. Step 3: Cross multiply
    108,192.71x = 162,096.80 × 66,052.87
  4. Step 4: Simplify right side
    108,192.71x = 10,706,958,122.31
  5. Step 5: Solve for x
    x = 10,706,958,122.31/108,192.71
  6. Step 6: Final answer
    x = 98,961.92

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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.