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Finding the Fourth Proportional to 247,225.80, 370,838.70 and 152,747.40

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Solution

The fourth proportional to 247,225.80, 370,838.70 and 152,747.40 is: 229,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,225.80 : 370,838.70 = 152,747.40 : x
  2. Step 2: Convert to fraction form
    247,225.80/370,838.70 = 152,747.40/x
  3. Step 3: Cross multiply
    247,225.80x = 370,838.70 × 152,747.40
  4. Step 4: Simplify right side
    247,225.80x = 56,644,647,244.38
  5. Step 5: Solve for x
    x = 56,644,647,244.38/247,225.80
  6. Step 6: Final answer
    x = 229,121.10

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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.