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Finding the Fourth Proportional to 170,862.44, 256,318.14 and 52,543.68

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Solution

The fourth proportional to 170,862.44, 256,318.14 and 52,543.68 is: 78,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,862.44 : 256,318.14 = 52,543.68 : x
  2. Step 2: Convert to fraction form
    170,862.44/256,318.14 = 52,543.68/x
  3. Step 3: Cross multiply
    170,862.44x = 256,318.14 × 52,543.68
  4. Step 4: Simplify right side
    170,862.44x = 13,467,898,326.36
  5. Step 5: Solve for x
    x = 13,467,898,326.36/170,862.44
  6. Step 6: Final answer
    x = 78,823.05

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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.