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Finding the Fourth Proportional to 248,253.64, 372,084.54 and 172,966.12

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Solution

The fourth proportional to 248,253.64, 372,084.54 and 172,966.12 is: 259,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,253.64 : 372,084.54 = 172,966.12 : x
  2. Step 2: Convert to fraction form
    248,253.64/372,084.54 = 172,966.12/x
  3. Step 3: Cross multiply
    248,253.64x = 372,084.54 × 172,966.12
  4. Step 4: Simplify right side
    248,253.64x = 64,358,019,195.78
  5. Step 5: Solve for x
    x = 64,358,019,195.78/248,253.64
  6. Step 6: Final answer
    x = 259,243.00

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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.