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Finding the Fourth Proportional to 207,141.94, 309,200.69 and 177,748.66

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Solution

The fourth proportional to 207,141.94, 309,200.69 and 177,748.66 is: 265,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,141.94 : 309,200.69 = 177,748.66 : x
  2. Step 2: Convert to fraction form
    207,141.94/309,200.69 = 177,748.66/x
  3. Step 3: Cross multiply
    207,141.94x = 309,200.69 × 177,748.66
  4. Step 4: Simplify right side
    207,141.94x = 54,960,008,318.58
  5. Step 5: Solve for x
    x = 54,960,008,318.58/207,141.94
  6. Step 6: Final answer
    x = 265,325.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.