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Finding the Fourth Proportional to 238,439.43, 357,714.51 and 69,952.95

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Solution

The fourth proportional to 238,439.43, 357,714.51 and 69,952.95 is: 104,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,439.43 : 357,714.51 = 69,952.95 : x
  2. Step 2: Convert to fraction form
    238,439.43/357,714.51 = 69,952.95/x
  3. Step 3: Cross multiply
    238,439.43x = 357,714.51 × 69,952.95
  4. Step 4: Simplify right side
    238,439.43x = 25,023,185,232.30
  5. Step 5: Solve for x
    x = 25,023,185,232.30/238,439.43
  6. Step 6: Final answer
    x = 104,945.67

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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.