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Finding the Fourth Proportional to 60,835.76, 91,178.30 and 34,460.54

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Solution

The fourth proportional to 60,835.76, 91,178.30 and 34,460.54 is: 51,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,835.76 : 91,178.30 = 34,460.54 : x
  2. Step 2: Convert to fraction form
    60,835.76/91,178.30 = 34,460.54/x
  3. Step 3: Cross multiply
    60,835.76x = 91,178.30 × 34,460.54
  4. Step 4: Simplify right side
    60,835.76x = 3,142,053,454.28
  5. Step 5: Solve for x
    x = 3,142,053,454.28/60,835.76
  6. Step 6: Final answer
    x = 51,648.13

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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.