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Finding the Fourth Proportional to 98,491.17, 146,799.84 and 92,885.61

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Solution

The fourth proportional to 98,491.17, 146,799.84 and 92,885.61 is: 138,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,491.17 : 146,799.84 = 92,885.61 : x
  2. Step 2: Convert to fraction form
    98,491.17/146,799.84 = 92,885.61/x
  3. Step 3: Cross multiply
    98,491.17x = 146,799.84 × 92,885.61
  4. Step 4: Simplify right side
    98,491.17x = 13,635,592,686.30
  5. Step 5: Solve for x
    x = 13,635,592,686.30/98,491.17
  6. Step 6: Final answer
    x = 138,444.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.