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Finding the Fourth Proportional to 244,492.92, 366,794.46 and 86,721.12

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Solution

The fourth proportional to 244,492.92, 366,794.46 and 86,721.12 is: 130,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,492.92 : 366,794.46 = 86,721.12 : x
  2. Step 2: Convert to fraction form
    244,492.92/366,794.46 = 86,721.12/x
  3. Step 3: Cross multiply
    244,492.92x = 366,794.46 × 86,721.12
  4. Step 4: Simplify right side
    244,492.92x = 31,808,826,381.00
  5. Step 5: Solve for x
    x = 31,808,826,381.00/244,492.92
  6. Step 6: Final answer
    x = 130,101.22

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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.