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Finding the Fourth Proportional to 110,358.87, 152,284.69 and 61,949.70

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Solution

The fourth proportional to 110,358.87, 152,284.69 and 61,949.70 is: 85,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,358.87 : 152,284.69 = 61,949.70 : x
  2. Step 2: Convert to fraction form
    110,358.87/152,284.69 = 61,949.70/x
  3. Step 3: Cross multiply
    110,358.87x = 152,284.69 × 61,949.70
  4. Step 4: Simplify right side
    110,358.87x = 9,433,990,860.09
  5. Step 5: Solve for x
    x = 9,433,990,860.09/110,358.87
  6. Step 6: Final answer
    x = 85,484.66

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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.