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Finding the Fourth Proportional to 61,762.38, 85,229.86 and 34,904.30

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Solution

The fourth proportional to 61,762.38, 85,229.86 and 34,904.30 is: 48,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.38 : 85,229.86 = 34,904.30 : x
  2. Step 2: Convert to fraction form
    61,762.38/85,229.86 = 34,904.30/x
  3. Step 3: Cross multiply
    61,762.38x = 85,229.86 × 34,904.30
  4. Step 4: Simplify right side
    61,762.38x = 2,974,888,602.40
  5. Step 5: Solve for x
    x = 2,974,888,602.40/61,762.38
  6. Step 6: Final answer
    x = 48,166.68

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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.