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Finding the Fourth Proportional to 163,531.93, 245,295.46 and 45,200.65

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Solution

The fourth proportional to 163,531.93, 245,295.46 and 45,200.65 is: 67,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,531.93 : 245,295.46 = 45,200.65 : x
  2. Step 2: Convert to fraction form
    163,531.93/245,295.46 = 45,200.65/x
  3. Step 3: Cross multiply
    163,531.93x = 245,295.46 × 45,200.65
  4. Step 4: Simplify right side
    163,531.93x = 11,087,514,234.05
  5. Step 5: Solve for x
    x = 11,087,514,234.05/163,531.93
  6. Step 6: Final answer
    x = 67,800.30

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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.