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Finding the Fourth Proportional to 248,140.70, 372,248.02 and 115,034.46

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Solution

The fourth proportional to 248,140.70, 372,248.02 and 115,034.46 is: 172,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,140.70 : 372,248.02 = 115,034.46 : x
  2. Step 2: Convert to fraction form
    248,140.70/372,248.02 = 115,034.46/x
  3. Step 3: Cross multiply
    248,140.70x = 372,248.02 × 115,034.46
  4. Step 4: Simplify right side
    248,140.70x = 42,821,349,966.77
  5. Step 5: Solve for x
    x = 42,821,349,966.77/248,140.70
  6. Step 6: Final answer
    x = 172,568.83

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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.