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Finding the Fourth Proportional to 224,671.36, 336,894.16 and 74,859.16

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Solution

The fourth proportional to 224,671.36, 336,894.16 and 74,859.16 is: 112,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,671.36 : 336,894.16 = 74,859.16 : x
  2. Step 2: Convert to fraction form
    224,671.36/336,894.16 = 74,859.16/x
  3. Step 3: Cross multiply
    224,671.36x = 336,894.16 × 74,859.16
  4. Step 4: Simplify right side
    224,671.36x = 25,219,613,826.51
  5. Step 5: Solve for x
    x = 25,219,613,826.51/224,671.36
  6. Step 6: Final answer
    x = 112,251.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.