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Finding the Fourth Proportional to 228,144.92, 314,840.72 and 127,542.92

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Solution

The fourth proportional to 228,144.92, 314,840.72 and 127,542.92 is: 176,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,144.92 : 314,840.72 = 127,542.92 : x
  2. Step 2: Convert to fraction form
    228,144.92/314,840.72 = 127,542.92/x
  3. Step 3: Cross multiply
    228,144.92x = 314,840.72 × 127,542.92
  4. Step 4: Simplify right side
    228,144.92x = 40,155,704,763.70
  5. Step 5: Solve for x
    x = 40,155,704,763.70/228,144.92
  6. Step 6: Final answer
    x = 176,009.64

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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.