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Finding the Fourth Proportional to 208,850.76, 288,184.50 and 124,001.64

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Solution

The fourth proportional to 208,850.76, 288,184.50 and 124,001.64 is: 171,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,850.76 : 288,184.50 = 124,001.64 : x
  2. Step 2: Convert to fraction form
    208,850.76/288,184.50 = 124,001.64/x
  3. Step 3: Cross multiply
    208,850.76x = 288,184.50 × 124,001.64
  4. Step 4: Simplify right side
    208,850.76x = 35,735,350,622.58
  5. Step 5: Solve for x
    x = 35,735,350,622.58/208,850.76
  6. Step 6: Final answer
    x = 171,104.72

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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.