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Finding the Fourth Proportional to 178,367.85, 245,963.88 and 124,633.26

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Solution

The fourth proportional to 178,367.85, 245,963.88 and 124,633.26 is: 171,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,367.85 : 245,963.88 = 124,633.26 : x
  2. Step 2: Convert to fraction form
    178,367.85/245,963.88 = 124,633.26/x
  3. Step 3: Cross multiply
    178,367.85x = 245,963.88 × 124,633.26
  4. Step 4: Simplify right side
    178,367.85x = 30,655,280,206.65
  5. Step 5: Solve for x
    x = 30,655,280,206.65/178,367.85
  6. Step 6: Final answer
    x = 171,865.50

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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.