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Finding the Fourth Proportional to 227,325.79, 313,702.72 and 125,351.20

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Solution

The fourth proportional to 227,325.79, 313,702.72 and 125,351.20 is: 172,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,325.79 : 313,702.72 = 125,351.20 : x
  2. Step 2: Convert to fraction form
    227,325.79/313,702.72 = 125,351.20/x
  3. Step 3: Cross multiply
    227,325.79x = 313,702.72 × 125,351.20
  4. Step 4: Simplify right side
    227,325.79x = 39,323,012,395.26
  5. Step 5: Solve for x
    x = 39,323,012,395.26/227,325.79
  6. Step 6: Final answer
    x = 172,980.87

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1.5x scale

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.