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Finding the Fourth Proportional to 158,699.52, 238,152.96 and 75,600

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Solution

The fourth proportional to 158,699.52, 238,152.96 and 75,600 is: 113,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,699.52 : 238,152.96 = 75,600 : x
  2. Step 2: Convert to fraction form
    158,699.52/238,152.96 = 75,600/x
  3. Step 3: Cross multiply
    158,699.52x = 238,152.96 × 75,600
  4. Step 4: Simplify right side
    158,699.52x = 18,004,363,776
  5. Step 5: Solve for x
    x = 18,004,363,776/158,699.52
  6. Step 6: Final answer
    x = 113,449.39

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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.