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Finding the Fourth Proportional to 181,161.95, 270,522.98 and 147,947.90

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Solution

The fourth proportional to 181,161.95, 270,522.98 and 147,947.90 is: 220,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,161.95 : 270,522.98 = 147,947.90 : x
  2. Step 2: Convert to fraction form
    181,161.95/270,522.98 = 147,947.90/x
  3. Step 3: Cross multiply
    181,161.95x = 270,522.98 × 147,947.90
  4. Step 4: Simplify right side
    181,161.95x = 40,023,305,810.00
  5. Step 5: Solve for x
    x = 40,023,305,810.00/181,161.95
  6. Step 6: Final answer
    x = 220,925.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.