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Finding the Fourth Proportional to 61,701.66, 85,148.55 and 34,844.49

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Solution

The fourth proportional to 61,701.66, 85,148.55 and 34,844.49 is: 48,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.66 : 85,148.55 = 34,844.49 : x
  2. Step 2: Convert to fraction form
    61,701.66/85,148.55 = 34,844.49/x
  3. Step 3: Cross multiply
    61,701.66x = 85,148.55 × 34,844.49
  4. Step 4: Simplify right side
    61,701.66x = 2,966,957,798.99
  5. Step 5: Solve for x
    x = 2,966,957,798.99/61,701.66
  6. Step 6: Final answer
    x = 48,085.54

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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.