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Finding the Fourth Proportional to 104,036.43, 155,989.03 and 57,322.11

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Solution

The fourth proportional to 104,036.43, 155,989.03 and 57,322.11 is: 85,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,036.43 : 155,989.03 = 57,322.11 : x
  2. Step 2: Convert to fraction form
    104,036.43/155,989.03 = 57,322.11/x
  3. Step 3: Cross multiply
    104,036.43x = 155,989.03 × 57,322.11
  4. Step 4: Simplify right side
    104,036.43x = 8,941,620,336.45
  5. Step 5: Solve for x
    x = 8,941,620,336.45/104,036.43
  6. Step 6: Final answer
    x = 85,947.01

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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.