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Finding the Fourth Proportional to 71,086.46, 107,051.54 and 63,300.74

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Solution

The fourth proportional to 71,086.46, 107,051.54 and 63,300.74 is: 95,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,086.46 : 107,051.54 = 63,300.74 : x
  2. Step 2: Convert to fraction form
    71,086.46/107,051.54 = 63,300.74/x
  3. Step 3: Cross multiply
    71,086.46x = 107,051.54 × 63,300.74
  4. Step 4: Simplify right side
    71,086.46x = 6,776,440,848.38
  5. Step 5: Solve for x
    x = 6,776,440,848.38/71,086.46
  6. Step 6: Final answer
    x = 95,326.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.