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Finding the Fourth Proportional to 239,699.30, 359,534.90 and 89,927.09

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Solution

The fourth proportional to 239,699.30, 359,534.90 and 89,927.09 is: 134,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,699.30 : 359,534.90 = 89,927.09 : x
  2. Step 2: Convert to fraction form
    239,699.30/359,534.90 = 89,927.09/x
  3. Step 3: Cross multiply
    239,699.30x = 359,534.90 × 89,927.09
  4. Step 4: Simplify right side
    239,699.30x = 32,331,926,074.65
  5. Step 5: Solve for x
    x = 32,331,926,074.65/239,699.30
  6. Step 6: Final answer
    x = 134,885.36

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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.