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Finding the Fourth Proportional to 98,476.92, 147,755.46 and 45,854.04

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Solution

The fourth proportional to 98,476.92, 147,755.46 and 45,854.04 is: 68,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,476.92 : 147,755.46 = 45,854.04 : x
  2. Step 2: Convert to fraction form
    98,476.92/147,755.46 = 45,854.04/x
  3. Step 3: Cross multiply
    98,476.92x = 147,755.46 × 45,854.04
  4. Step 4: Simplify right side
    98,476.92x = 6,775,184,773.06
  5. Step 5: Solve for x
    x = 6,775,184,773.06/98,476.92
  6. Step 6: Final answer
    x = 68,799.72

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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.