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Finding the Fourth Proportional to 173,765.01, 260,685.71 and 98,920.20

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Solution

The fourth proportional to 173,765.01, 260,685.71 and 98,920.20 is: 148,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,765.01 : 260,685.71 = 98,920.20 : x
  2. Step 2: Convert to fraction form
    173,765.01/260,685.71 = 98,920.20/x
  3. Step 3: Cross multiply
    173,765.01x = 260,685.71 × 98,920.20
  4. Step 4: Simplify right side
    173,765.01x = 25,787,081,514.21
  5. Step 5: Solve for x
    x = 25,787,081,514.21/173,765.01
  6. Step 6: Final answer
    x = 148,402.04

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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.