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Finding the Fourth Proportional to 101,043.53, 151,368.39 and 61,502.57

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Solution

The fourth proportional to 101,043.53, 151,368.39 and 61,502.57 is: 92,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,043.53 : 151,368.39 = 61,502.57 : x
  2. Step 2: Convert to fraction form
    101,043.53/151,368.39 = 61,502.57/x
  3. Step 3: Cross multiply
    101,043.53x = 151,368.39 × 61,502.57
  4. Step 4: Simplify right side
    101,043.53x = 9,309,544,244.92
  5. Step 5: Solve for x
    x = 9,309,544,244.92/101,043.53
  6. Step 6: Final answer
    x = 92,134.00

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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.