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Finding the Fourth Proportional to 235,557.02, 353,163.27 and 75,541.87

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Solution

The fourth proportional to 235,557.02, 353,163.27 and 75,541.87 is: 113,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,557.02 : 353,163.27 = 75,541.87 : x
  2. Step 2: Convert to fraction form
    235,557.02/353,163.27 = 75,541.87/x
  3. Step 3: Cross multiply
    235,557.02x = 353,163.27 × 75,541.87
  4. Step 4: Simplify right side
    235,557.02x = 26,678,613,831.11
  5. Step 5: Solve for x
    x = 26,678,613,831.11/235,557.02
  6. Step 6: Final answer
    x = 113,257.56

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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.