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Finding the Fourth Proportional to 227,402.40, 341,492.40 and 148,864.80

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Solution

The fourth proportional to 227,402.40, 341,492.40 and 148,864.80 is: 223,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,402.40 : 341,492.40 = 148,864.80 : x
  2. Step 2: Convert to fraction form
    227,402.40/341,492.40 = 148,864.80/x
  3. Step 3: Cross multiply
    227,402.40x = 341,492.40 × 148,864.80
  4. Step 4: Simplify right side
    227,402.40x = 50,836,197,827.52
  5. Step 5: Solve for x
    x = 50,836,197,827.52/227,402.40
  6. Step 6: Final answer
    x = 223,551.72

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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.