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Finding the Fourth Proportional to 162,751.55, 244,127.33 and 103,629.65

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Solution

The fourth proportional to 162,751.55, 244,127.33 and 103,629.65 is: 155,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,751.55 : 244,127.33 = 103,629.65 : x
  2. Step 2: Convert to fraction form
    162,751.55/244,127.33 = 103,629.65/x
  3. Step 3: Cross multiply
    162,751.55x = 244,127.33 × 103,629.65
  4. Step 4: Simplify right side
    162,751.55x = 25,298,829,763.33
  5. Step 5: Solve for x
    x = 25,298,829,763.33/162,751.55
  6. Step 6: Final answer
    x = 155,444.48

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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.