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Finding the Fourth Proportional to 108,312.64, 162,472.32 and 29,426.56

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Solution

The fourth proportional to 108,312.64, 162,472.32 and 29,426.56 is: 44,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312.64 : 162,472.32 = 29,426.56 : x
  2. Step 2: Convert to fraction form
    108,312.64/162,472.32 = 29,426.56/x
  3. Step 3: Cross multiply
    108,312.64x = 162,472.32 × 29,426.56
  4. Step 4: Simplify right side
    108,312.64x = 4,781,001,472.82
  5. Step 5: Solve for x
    x = 4,781,001,472.82/108,312.64
  6. Step 6: Final answer
    x = 44,140.75

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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.