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Finding the Fourth Proportional to 608,052.75, 912,079.13 and 164,820.75

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Solution

The fourth proportional to 608,052.75, 912,079.13 and 164,820.75 is: 247,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,052.75 : 912,079.13 = 164,820.75 : x
  2. Step 2: Convert to fraction form
    608,052.75/912,079.13 = 164,820.75/x
  3. Step 3: Cross multiply
    608,052.75x = 912,079.13 × 164,820.75
  4. Step 4: Simplify right side
    608,052.75x = 150,329,566,265.95
  5. Step 5: Solve for x
    x = 150,329,566,265.95/608,052.75
  6. Step 6: Final answer
    x = 247,231.13

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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.