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Finding the Fourth Proportional to 60,835.76, 91,126.39 and 48,925.21

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Solution

The fourth proportional to 60,835.76, 91,126.39 and 48,925.21 is: 73,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,835.76 : 91,126.39 = 48,925.21 : x
  2. Step 2: Convert to fraction form
    60,835.76/91,126.39 = 48,925.21/x
  3. Step 3: Cross multiply
    60,835.76x = 91,126.39 × 48,925.21
  4. Step 4: Simplify right side
    60,835.76x = 4,458,377,767.29
  5. Step 5: Solve for x
    x = 4,458,377,767.29/60,835.76
  6. Step 6: Final answer
    x = 73,285.48

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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.