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Finding the Fourth Proportional to 224,753.78, 310,156.31 and 122,776.62

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Solution

The fourth proportional to 224,753.78, 310,156.31 and 122,776.62 is: 169,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,753.78 : 310,156.31 = 122,776.62 : x
  2. Step 2: Convert to fraction form
    224,753.78/310,156.31 = 122,776.62/x
  3. Step 3: Cross multiply
    224,753.78x = 310,156.31 × 122,776.62
  4. Step 4: Simplify right side
    224,753.78x = 38,079,943,574.98
  5. Step 5: Solve for x
    x = 38,079,943,574.98/224,753.78
  6. Step 6: Final answer
    x = 169,429.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.