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Finding the Fourth Proportional to 173,357.66, 260,036.49 and 61,011.42

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Solution

The fourth proportional to 173,357.66, 260,036.49 and 61,011.42 is: 91,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,357.66 : 260,036.49 = 61,011.42 : x
  2. Step 2: Convert to fraction form
    173,357.66/260,036.49 = 61,011.42/x
  3. Step 3: Cross multiply
    173,357.66x = 260,036.49 × 61,011.42
  4. Step 4: Simplify right side
    173,357.66x = 15,865,195,506.72
  5. Step 5: Solve for x
    x = 15,865,195,506.72/173,357.66
  6. Step 6: Final answer
    x = 91,517.13

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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.