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Finding the Fourth Proportional to 224,682.16, 310,061.16 and 124,079.92

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Solution

The fourth proportional to 224,682.16, 310,061.16 and 124,079.92 is: 171,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,682.16 : 310,061.16 = 124,079.92 : x
  2. Step 2: Convert to fraction form
    224,682.16/310,061.16 = 124,079.92/x
  3. Step 3: Cross multiply
    224,682.16x = 310,061.16 × 124,079.92
  4. Step 4: Simplify right side
    224,682.16x = 38,472,363,927.91
  5. Step 5: Solve for x
    x = 38,472,363,927.91/224,682.16
  6. Step 6: Final answer
    x = 171,230.17

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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.