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Finding the Fourth Proportional to 124,148.46, 185,700.78 and 104,655

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Solution

The fourth proportional to 124,148.46, 185,700.78 and 104,655 is: 156,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,148.46 : 185,700.78 = 104,655 : x
  2. Step 2: Convert to fraction form
    124,148.46/185,700.78 = 104,655/x
  3. Step 3: Cross multiply
    124,148.46x = 185,700.78 × 104,655
  4. Step 4: Simplify right side
    124,148.46x = 19,434,515,130.90
  5. Step 5: Solve for x
    x = 19,434,515,130.90/124,148.46
  6. Step 6: Final answer
    x = 156,542.54

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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.