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Finding the Fourth Proportional to 227,400.40, 341,489.40 and 148,862.80

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Solution

The fourth proportional to 227,400.40, 341,489.40 and 148,862.80 is: 223,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,400.40 : 341,489.40 = 148,862.80 : x
  2. Step 2: Convert to fraction form
    227,400.40/341,489.40 = 148,862.80/x
  3. Step 3: Cross multiply
    227,400.40x = 341,489.40 × 148,862.80
  4. Step 4: Simplify right side
    227,400.40x = 50,835,068,254.32
  5. Step 5: Solve for x
    x = 50,835,068,254.32/227,400.40
  6. Step 6: Final answer
    x = 223,548.72

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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.