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Finding the Fourth Proportional to 224,828.40, 337,145.40 and 112,465.20

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Solution

The fourth proportional to 224,828.40, 337,145.40 and 112,465.20 is: 168,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,828.40 : 337,145.40 = 112,465.20 : x
  2. Step 2: Convert to fraction form
    224,828.40/337,145.40 = 112,465.20/x
  3. Step 3: Cross multiply
    224,828.40x = 337,145.40 × 112,465.20
  4. Step 4: Simplify right side
    224,828.40x = 37,917,124,840.08
  5. Step 5: Solve for x
    x = 37,917,124,840.08/224,828.40
  6. Step 6: Final answer
    x = 168,649.18

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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.