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Finding the Fourth Proportional to 61,132.42, 84,366.83 and 34,276.67

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Solution

The fourth proportional to 61,132.42, 84,366.83 and 34,276.67 is: 47,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,132.42 : 84,366.83 = 34,276.67 : x
  2. Step 2: Convert to fraction form
    61,132.42/84,366.83 = 34,276.67/x
  3. Step 3: Cross multiply
    61,132.42x = 84,366.83 × 34,276.67
  4. Step 4: Simplify right side
    61,132.42x = 2,891,813,971.09
  5. Step 5: Solve for x
    x = 2,891,813,971.09/61,132.42
  6. Step 6: Final answer
    x = 47,304.10

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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.