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Finding the Fourth Proportional to 60,835.92, 91,126.76 and 48,925.28

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Solution

The fourth proportional to 60,835.92, 91,126.76 and 48,925.28 is: 73,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,835.92 : 91,126.76 = 48,925.28 : x
  2. Step 2: Convert to fraction form
    60,835.92/91,126.76 = 48,925.28/x
  3. Step 3: Cross multiply
    60,835.92x = 91,126.76 × 48,925.28
  4. Step 4: Simplify right side
    60,835.92x = 4,458,401,548.23
  5. Step 5: Solve for x
    x = 4,458,401,548.23/60,835.92
  6. Step 6: Final answer
    x = 73,285.68

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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.