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Finding the Fourth Proportional to 228,909.33, 341,971.59 and 148,291.04

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Solution

The fourth proportional to 228,909.33, 341,971.59 and 148,291.04 is: 221,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,909.33 : 341,971.59 = 148,291.04 : x
  2. Step 2: Convert to fraction form
    228,909.33/341,971.59 = 148,291.04/x
  3. Step 3: Cross multiply
    228,909.33x = 341,971.59 × 148,291.04
  4. Step 4: Simplify right side
    228,909.33x = 50,711,321,021.70
  5. Step 5: Solve for x
    x = 50,711,321,021.70/228,909.33
  6. Step 6: Final answer
    x = 221,534.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.