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Finding the Fourth Proportional to 220,927.49, 304,861.24 and 124,123.78

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Solution

The fourth proportional to 220,927.49, 304,861.24 and 124,123.78 is: 171,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,927.49 : 304,861.24 = 124,123.78 : x
  2. Step 2: Convert to fraction form
    220,927.49/304,861.24 = 124,123.78/x
  3. Step 3: Cross multiply
    220,927.49x = 304,861.24 × 124,123.78
  4. Step 4: Simplify right side
    220,927.49x = 37,840,529,484.29
  5. Step 5: Solve for x
    x = 37,840,529,484.29/220,927.49
  6. Step 6: Final answer
    x = 171,280.31

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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.