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Finding the Fourth Proportional to 103,216.52, 142,440.94 and 58,504.52

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Solution

The fourth proportional to 103,216.52, 142,440.94 and 58,504.52 is: 80,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,216.52 : 142,440.94 = 58,504.52 : x
  2. Step 2: Convert to fraction form
    103,216.52/142,440.94 = 58,504.52/x
  3. Step 3: Cross multiply
    103,216.52x = 142,440.94 × 58,504.52
  4. Step 4: Simplify right side
    103,216.52x = 8,333,438,823.05
  5. Step 5: Solve for x
    x = 8,333,438,823.05/103,216.52
  6. Step 6: Final answer
    x = 80,737.45

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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.