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Finding the Fourth Proportional to 207,967.06, 286,994.73 and 112,473.76

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Solution

The fourth proportional to 207,967.06, 286,994.73 and 112,473.76 is: 155,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,967.06 : 286,994.73 = 112,473.76 : x
  2. Step 2: Convert to fraction form
    207,967.06/286,994.73 = 112,473.76/x
  3. Step 3: Cross multiply
    207,967.06x = 286,994.73 × 112,473.76
  4. Step 4: Simplify right side
    207,967.06x = 32,279,375,185.85
  5. Step 5: Solve for x
    x = 32,279,375,185.85/207,967.06
  6. Step 6: Final answer
    x = 155,213.88

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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.