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Finding the Fourth Proportional to 159,859.17, 238,399.30 and 157,714.04

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Solution

The fourth proportional to 159,859.17, 238,399.30 and 157,714.04 is: 235,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859.17 : 238,399.30 = 157,714.04 : x
  2. Step 2: Convert to fraction form
    159,859.17/238,399.30 = 157,714.04/x
  3. Step 3: Cross multiply
    159,859.17x = 238,399.30 × 157,714.04
  4. Step 4: Simplify right side
    159,859.17x = 37,598,916,188.32
  5. Step 5: Solve for x
    x = 37,598,916,188.32/159,859.17
  6. Step 6: Final answer
    x = 235,200.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.