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Finding the Fourth Proportional to 98,178.16, 147,285.87 and 44,873.68

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Solution

The fourth proportional to 98,178.16, 147,285.87 and 44,873.68 is: 67,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,178.16 : 147,285.87 = 44,873.68 : x
  2. Step 2: Convert to fraction form
    98,178.16/147,285.87 = 44,873.68/x
  3. Step 3: Cross multiply
    98,178.16x = 147,285.87 × 44,873.68
  4. Step 4: Simplify right side
    98,178.16x = 6,609,258,998.90
  5. Step 5: Solve for x
    x = 6,609,258,998.90/98,178.16
  6. Step 6: Final answer
    x = 67,319.04

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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.