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Finding the Fourth Proportional to 61,751.23, 85,215.58 and 34,893.16

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Solution

The fourth proportional to 61,751.23, 85,215.58 and 34,893.16 is: 48,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,751.23 : 85,215.58 = 34,893.16 : x
  2. Step 2: Convert to fraction form
    61,751.23/85,215.58 = 34,893.16/x
  3. Step 3: Cross multiply
    61,751.23x = 85,215.58 × 34,893.16
  4. Step 4: Simplify right side
    61,751.23x = 2,973,440,441.35
  5. Step 5: Solve for x
    x = 2,973,440,441.35/61,751.23
  6. Step 6: Final answer
    x = 48,151.93

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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.