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Finding the Fourth Proportional to 247,553.65, 370,690.95 and 170,853.32

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Solution

The fourth proportional to 247,553.65, 370,690.95 and 170,853.32 is: 255,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,553.65 : 370,690.95 = 170,853.32 : x
  2. Step 2: Convert to fraction form
    247,553.65/370,690.95 = 170,853.32/x
  3. Step 3: Cross multiply
    247,553.65x = 370,690.95 × 170,853.32
  4. Step 4: Simplify right side
    247,553.65x = 63,333,777,861.57
  5. Step 5: Solve for x
    x = 63,333,777,861.57/247,553.65
  6. Step 6: Final answer
    x = 255,838.60

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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.