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Finding the Fourth Proportional to 60,166.71, 90,248.85 and 20,722.95

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Solution

The fourth proportional to 60,166.71, 90,248.85 and 20,722.95 is: 31,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,166.71 : 90,248.85 = 20,722.95 : x
  2. Step 2: Convert to fraction form
    60,166.71/90,248.85 = 20,722.95/x
  3. Step 3: Cross multiply
    60,166.71x = 90,248.85 × 20,722.95
  4. Step 4: Simplify right side
    60,166.71x = 1,870,222,822.25
  5. Step 5: Solve for x
    x = 1,870,222,822.25/60,166.71
  6. Step 6: Final answer
    x = 31,084.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.