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Finding the Fourth Proportional to 224,726.76, 310,112.10 and 124,122.60

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Solution

The fourth proportional to 224,726.76, 310,112.10 and 124,122.60 is: 171,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,726.76 : 310,112.10 = 124,122.60 : x
  2. Step 2: Convert to fraction form
    224,726.76/310,112.10 = 124,122.60/x
  3. Step 3: Cross multiply
    224,726.76x = 310,112.10 × 124,122.60
  4. Step 4: Simplify right side
    224,726.76x = 38,491,920,143.46
  5. Step 5: Solve for x
    x = 38,491,920,143.46/224,726.76
  6. Step 6: Final answer
    x = 171,283.21

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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.