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Finding the Fourth Proportional to 70,468.59, 105,678.26 and 33,046.29

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Solution

The fourth proportional to 70,468.59, 105,678.26 and 33,046.29 is: 49,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,468.59 : 105,678.26 = 33,046.29 : x
  2. Step 2: Convert to fraction form
    70,468.59/105,678.26 = 33,046.29/x
  3. Step 3: Cross multiply
    70,468.59x = 105,678.26 × 33,046.29
  4. Step 4: Simplify right side
    70,468.59x = 3,492,274,385.35
  5. Step 5: Solve for x
    x = 3,492,274,385.35/70,468.59
  6. Step 6: Final answer
    x = 49,557.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.