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Finding the Fourth Proportional to 159,697.62, 239,894.15 and 96,547.48

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Solution

The fourth proportional to 159,697.62, 239,894.15 and 96,547.48 is: 145,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,697.62 : 239,894.15 = 96,547.48 : x
  2. Step 2: Convert to fraction form
    159,697.62/239,894.15 = 96,547.48/x
  3. Step 3: Cross multiply
    159,697.62x = 239,894.15 × 96,547.48
  4. Step 4: Simplify right side
    159,697.62x = 23,161,176,190.48
  5. Step 5: Solve for x
    x = 23,161,176,190.48/159,697.62
  6. Step 6: Final answer
    x = 145,031.44

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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.