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Finding the Fourth Proportional to 173,429.48, 260,179.38 and 98,585.48

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Solution

The fourth proportional to 173,429.48, 260,179.38 and 98,585.48 is: 147,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,429.48 : 260,179.38 = 98,585.48 : x
  2. Step 2: Convert to fraction form
    173,429.48/260,179.38 = 98,585.48/x
  3. Step 3: Cross multiply
    173,429.48x = 260,179.38 × 98,585.48
  4. Step 4: Simplify right side
    173,429.48x = 25,649,909,063.40
  5. Step 5: Solve for x
    x = 25,649,909,063.40/173,429.48
  6. Step 6: Final answer
    x = 147,898.21

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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.