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Finding the Fourth Proportional to 239,217.84, 358,702.18 and 112,824.16

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Solution

The fourth proportional to 239,217.84, 358,702.18 and 112,824.16 is: 169,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,217.84 : 358,702.18 = 112,824.16 : x
  2. Step 2: Convert to fraction form
    239,217.84/358,702.18 = 112,824.16/x
  3. Step 3: Cross multiply
    239,217.84x = 358,702.18 × 112,824.16
  4. Step 4: Simplify right side
    239,217.84x = 40,470,270,969.85
  5. Step 5: Solve for x
    x = 40,470,270,969.85/239,217.84
  6. Step 6: Final answer
    x = 169,177.48

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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.