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Finding the Fourth Proportional to 224,834.59, 310,272.54 and 122,860.05

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Solution

The fourth proportional to 224,834.59, 310,272.54 and 122,860.05 is: 169,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,834.59 : 310,272.54 = 122,860.05 : x
  2. Step 2: Convert to fraction form
    224,834.59/310,272.54 = 122,860.05/x
  3. Step 3: Cross multiply
    224,834.59x = 310,272.54 × 122,860.05
  4. Step 4: Simplify right side
    224,834.59x = 38,120,099,778.03
  5. Step 5: Solve for x
    x = 38,120,099,778.03/224,834.59
  6. Step 6: Final answer
    x = 169,547.31

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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.