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Finding the Fourth Proportional to 61,203.44, 91,718.99 and 48,667.78

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Solution

The fourth proportional to 61,203.44, 91,718.99 and 48,667.78 is: 72,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.44 : 91,718.99 = 48,667.78 : x
  2. Step 2: Convert to fraction form
    61,203.44/91,718.99 = 48,667.78/x
  3. Step 3: Cross multiply
    61,203.44x = 91,718.99 × 48,667.78
  4. Step 4: Simplify right side
    61,203.44x = 4,463,758,925.21
  5. Step 5: Solve for x
    x = 4,463,758,925.21/61,203.44
  6. Step 6: Final answer
    x = 72,933.14

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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.