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Finding the Fourth Proportional to 239,718.51, 359,462.91 and 113,253.42

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Solution

The fourth proportional to 239,718.51, 359,462.91 and 113,253.42 is: 169,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,718.51 : 359,462.91 = 113,253.42 : x
  2. Step 2: Convert to fraction form
    239,718.51/359,462.91 = 113,253.42/x
  3. Step 3: Cross multiply
    239,718.51x = 359,462.91 × 113,253.42
  4. Step 4: Simplify right side
    239,718.51x = 40,710,403,920.65
  5. Step 5: Solve for x
    x = 40,710,403,920.65/239,718.51
  6. Step 6: Final answer
    x = 169,825.87

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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.