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Finding the Fourth Proportional to 162,752.55, 244,128.83 and 103,630.65

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Solution

The fourth proportional to 162,752.55, 244,128.83 and 103,630.65 is: 155,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,752.55 : 244,128.83 = 103,630.65 : x
  2. Step 2: Convert to fraction form
    162,752.55/244,128.83 = 103,630.65/x
  3. Step 3: Cross multiply
    162,752.55x = 244,128.83 × 103,630.65
  4. Step 4: Simplify right side
    162,752.55x = 25,299,229,336.64
  5. Step 5: Solve for x
    x = 25,299,229,336.64/162,752.55
  6. Step 6: Final answer
    x = 155,445.98

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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.