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Finding the Fourth Proportional to 111,754.96, 154,143.74 and 73,502.52

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Solution

The fourth proportional to 111,754.96, 154,143.74 and 73,502.52 is: 101,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,754.96 : 154,143.74 = 73,502.52 : x
  2. Step 2: Convert to fraction form
    111,754.96/154,143.74 = 73,502.52/x
  3. Step 3: Cross multiply
    111,754.96x = 154,143.74 × 73,502.52
  4. Step 4: Simplify right side
    111,754.96x = 11,329,953,332.22
  5. Step 5: Solve for x
    x = 11,329,953,332.22/111,754.96
  6. Step 6: Final answer
    x = 101,382.11

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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.