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Finding the Fourth Proportional to 73,870.56, 101,941.29 and 43,666.80

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Solution

The fourth proportional to 73,870.56, 101,941.29 and 43,666.80 is: 60,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,870.56 : 101,941.29 = 43,666.80 : x
  2. Step 2: Convert to fraction form
    73,870.56/101,941.29 = 43,666.80/x
  3. Step 3: Cross multiply
    73,870.56x = 101,941.29 × 43,666.80
  4. Step 4: Simplify right side
    73,870.56x = 4,451,449,922.17
  5. Step 5: Solve for x
    x = 4,451,449,922.17/73,870.56
  6. Step 6: Final answer
    x = 60,260.14

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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.