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Finding the Fourth Proportional to 239,714.96, 359,479 and 89,873.52

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Solution

The fourth proportional to 239,714.96, 359,479 and 89,873.52 is: 134,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,714.96 : 359,479 = 89,873.52 : x
  2. Step 2: Convert to fraction form
    239,714.96/359,479 = 89,873.52/x
  3. Step 3: Cross multiply
    239,714.96x = 359,479 × 89,873.52
  4. Step 4: Simplify right side
    239,714.96x = 32,307,643,096.08
  5. Step 5: Solve for x
    x = 32,307,643,096.08/239,714.96
  6. Step 6: Final answer
    x = 134,775.25

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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.