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Finding the Fourth Proportional to 108,040.08, 162,060.12 and 29,154.30

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Solution

The fourth proportional to 108,040.08, 162,060.12 and 29,154.30 is: 43,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,040.08 : 162,060.12 = 29,154.30 : x
  2. Step 2: Convert to fraction form
    108,040.08/162,060.12 = 29,154.30/x
  3. Step 3: Cross multiply
    108,040.08x = 162,060.12 × 29,154.30
  4. Step 4: Simplify right side
    108,040.08x = 4,724,749,356.52
  5. Step 5: Solve for x
    x = 4,724,749,356.52/108,040.08
  6. Step 6: Final answer
    x = 43,731.45

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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.