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Finding the Fourth Proportional to 228,006.88, 314,648.72 and 127,404.88

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Solution

The fourth proportional to 228,006.88, 314,648.72 and 127,404.88 is: 175,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,006.88 : 314,648.72 = 127,404.88 : x
  2. Step 2: Convert to fraction form
    228,006.88/314,648.72 = 127,404.88/x
  3. Step 3: Cross multiply
    228,006.88x = 314,648.72 × 127,404.88
  4. Step 4: Simplify right side
    228,006.88x = 40,087,782,413.75
  5. Step 5: Solve for x
    x = 40,087,782,413.75/228,006.88
  6. Step 6: Final answer
    x = 175,818.30

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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.