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Finding the Fourth Proportional to 110,356.52, 152,292.12 and 61,951.72

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Solution

The fourth proportional to 110,356.52, 152,292.12 and 61,951.72 is: 85,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,356.52 : 152,292.12 = 61,951.72 : x
  2. Step 2: Convert to fraction form
    110,356.52/152,292.12 = 61,951.72/x
  3. Step 3: Cross multiply
    110,356.52x = 152,292.12 × 61,951.72
  4. Step 4: Simplify right side
    110,356.52x = 9,434,758,776.45
  5. Step 5: Solve for x
    x = 9,434,758,776.45/110,356.52
  6. Step 6: Final answer
    x = 85,493.44

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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.