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Finding the Fourth Proportional to 88,981.50, 122,794.47 and 49,237.50

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Solution

The fourth proportional to 88,981.50, 122,794.47 and 49,237.50 is: 67,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.50 : 122,794.47 = 49,237.50 : x
  2. Step 2: Convert to fraction form
    88,981.50/122,794.47 = 49,237.50/x
  3. Step 3: Cross multiply
    88,981.50x = 122,794.47 × 49,237.50
  4. Step 4: Simplify right side
    88,981.50x = 6,046,092,716.63
  5. Step 5: Solve for x
    x = 6,046,092,716.63/88,981.50
  6. Step 6: Final answer
    x = 67,947.75

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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.