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Finding the Fourth Proportional to 262,173.96, 361,830.78 and 149,013.72

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Solution

The fourth proportional to 262,173.96, 361,830.78 and 149,013.72 is: 205,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,173.96 : 361,830.78 = 149,013.72 : x
  2. Step 2: Convert to fraction form
    262,173.96/361,830.78 = 149,013.72/x
  3. Step 3: Cross multiply
    262,173.96x = 361,830.78 × 149,013.72
  4. Step 4: Simplify right side
    262,173.96x = 53,917,750,538.30
  5. Step 5: Solve for x
    x = 53,917,750,538.30/262,173.96
  6. Step 6: Final answer
    x = 205,656.39

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1.5x scale

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.