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Finding the Fourth Proportional to 73,253.59, 109,264.58 and 66,526.54

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Solution

The fourth proportional to 73,253.59, 109,264.58 and 66,526.54 is: 99,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.59 : 109,264.58 = 66,526.54 : x
  2. Step 2: Convert to fraction form
    73,253.59/109,264.58 = 66,526.54/x
  3. Step 3: Cross multiply
    73,253.59x = 109,264.58 × 66,526.54
  4. Step 4: Simplify right side
    73,253.59x = 7,268,994,451.95
  5. Step 5: Solve for x
    x = 7,268,994,451.95/73,253.59
  6. Step 6: Final answer
    x = 99,230.56

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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.