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Finding the Fourth Proportional to 61,710.90, 85,156.11 and 34,856.01

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Solution

The fourth proportional to 61,710.90, 85,156.11 and 34,856.01 is: 48,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,710.90 : 85,156.11 = 34,856.01 : x
  2. Step 2: Convert to fraction form
    61,710.90/85,156.11 = 34,856.01/x
  3. Step 3: Cross multiply
    61,710.90x = 85,156.11 × 34,856.01
  4. Step 4: Simplify right side
    61,710.90x = 2,968,202,221.72
  5. Step 5: Solve for x
    x = 2,968,202,221.72/61,710.90
  6. Step 6: Final answer
    x = 48,098.51

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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.