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Finding the Fourth Proportional to 248,088.30, 372,132.45 and 235,257.90

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Solution

The fourth proportional to 248,088.30, 372,132.45 and 235,257.90 is: 352,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,088.30 : 372,132.45 = 235,257.90 : x
  2. Step 2: Convert to fraction form
    248,088.30/372,132.45 = 235,257.90/x
  3. Step 3: Cross multiply
    248,088.30x = 372,132.45 × 235,257.90
  4. Step 4: Simplify right side
    248,088.30x = 87,547,098,708.86
  5. Step 5: Solve for x
    x = 87,547,098,708.86/248,088.30
  6. Step 6: Final answer
    x = 352,886.85

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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.