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Finding the Fourth Proportional to 108,074.88, 162,134.19 and 37,959.66

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Solution

The fourth proportional to 108,074.88, 162,134.19 and 37,959.66 is: 56,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,074.88 : 162,134.19 = 37,959.66 : x
  2. Step 2: Convert to fraction form
    108,074.88/162,134.19 = 37,959.66/x
  3. Step 3: Cross multiply
    108,074.88x = 162,134.19 × 37,959.66
  4. Step 4: Simplify right side
    108,074.88x = 6,154,558,726.78
  5. Step 5: Solve for x
    x = 6,154,558,726.78/108,074.88
  6. Step 6: Final answer
    x = 56,947.17

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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.