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Finding the Fourth Proportional to 227,603.70, 341,405.55 and 156,744.90

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Solution

The fourth proportional to 227,603.70, 341,405.55 and 156,744.90 is: 235,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,603.70 : 341,405.55 = 156,744.90 : x
  2. Step 2: Convert to fraction form
    227,603.70/341,405.55 = 156,744.90/x
  3. Step 3: Cross multiply
    227,603.70x = 341,405.55 × 156,744.90
  4. Step 4: Simplify right side
    227,603.70x = 53,513,578,794.20
  5. Step 5: Solve for x
    x = 53,513,578,794.20/227,603.70
  6. Step 6: Final answer
    x = 235,117.35

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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.