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Finding the Fourth Proportional to 123,953.33, 185,934.40 and 39,702.55

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Solution

The fourth proportional to 123,953.33, 185,934.40 and 39,702.55 is: 59,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.33 : 185,934.40 = 39,702.55 : x
  2. Step 2: Convert to fraction form
    123,953.33/185,934.40 = 39,702.55/x
  3. Step 3: Cross multiply
    123,953.33x = 185,934.40 × 39,702.55
  4. Step 4: Simplify right side
    123,953.33x = 7,382,068,684.54
  5. Step 5: Solve for x
    x = 7,382,068,684.54/123,953.33
  6. Step 6: Final answer
    x = 59,555.23

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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.