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Finding the Fourth Proportional to 61,750.86, 85,245.57 and 41,368.02

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Solution

The fourth proportional to 61,750.86, 85,245.57 and 41,368.02 is: 57,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.86 : 85,245.57 = 41,368.02 : x
  2. Step 2: Convert to fraction form
    61,750.86/85,245.57 = 41,368.02/x
  3. Step 3: Cross multiply
    61,750.86x = 85,245.57 × 41,368.02
  4. Step 4: Simplify right side
    61,750.86x = 3,526,440,444.67
  5. Step 5: Solve for x
    x = 3,526,440,444.67/61,750.86
  6. Step 6: Final answer
    x = 57,107.55

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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.