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Finding the Fourth Proportional to 239,357.91, 359,045.98 and 89,582.43

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Solution

The fourth proportional to 239,357.91, 359,045.98 and 89,582.43 is: 134,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,357.91 : 359,045.98 = 89,582.43 : x
  2. Step 2: Convert to fraction form
    239,357.91/359,045.98 = 89,582.43/x
  3. Step 3: Cross multiply
    239,357.91x = 359,045.98 × 89,582.43
  4. Step 4: Simplify right side
    239,357.91x = 32,164,211,146.18
  5. Step 5: Solve for x
    x = 32,164,211,146.18/239,357.91
  6. Step 6: Final answer
    x = 134,377.06

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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.