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Finding the Fourth Proportional to 224,963.92, 310,434.60 and 124,354

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Solution

The fourth proportional to 224,963.92, 310,434.60 and 124,354 is: 171,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,963.92 : 310,434.60 = 124,354 : x
  2. Step 2: Convert to fraction form
    224,963.92/310,434.60 = 124,354/x
  3. Step 3: Cross multiply
    224,963.92x = 310,434.60 × 124,354
  4. Step 4: Simplify right side
    224,963.92x = 38,603,784,248.40
  5. Step 5: Solve for x
    x = 38,603,784,248.40/224,963.92
  6. Step 6: Final answer
    x = 171,599.89

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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.