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Finding the Fourth Proportional to 208,794.76, 288,137.52 and 113,301.45

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Solution

The fourth proportional to 208,794.76, 288,137.52 and 113,301.45 is: 156,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,794.76 : 288,137.52 = 113,301.45 : x
  2. Step 2: Convert to fraction form
    208,794.76/288,137.52 = 113,301.45/x
  3. Step 3: Cross multiply
    208,794.76x = 288,137.52 × 113,301.45
  4. Step 4: Simplify right side
    208,794.76x = 32,646,398,815.40
  5. Step 5: Solve for x
    x = 32,646,398,815.40/208,794.76
  6. Step 6: Final answer
    x = 156,356.41

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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.