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Finding the Fourth Proportional to 188,757.93, 260,492.12 and 108,200.70

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Solution

The fourth proportional to 188,757.93, 260,492.12 and 108,200.70 is: 149,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,757.93 : 260,492.12 = 108,200.70 : x
  2. Step 2: Convert to fraction form
    188,757.93/260,492.12 = 108,200.70/x
  3. Step 3: Cross multiply
    188,757.93x = 260,492.12 × 108,200.70
  4. Step 4: Simplify right side
    188,757.93x = 28,185,429,728.48
  5. Step 5: Solve for x
    x = 28,185,429,728.48/188,757.93
  6. Step 6: Final answer
    x = 149,320.51

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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.