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Finding the Fourth Proportional to 207,608.96, 286,500.37 and 112,115.66

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Solution

The fourth proportional to 207,608.96, 286,500.37 and 112,115.66 is: 154,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,608.96 : 286,500.37 = 112,115.66 : x
  2. Step 2: Convert to fraction form
    207,608.96/286,500.37 = 112,115.66/x
  3. Step 3: Cross multiply
    207,608.96x = 286,500.37 × 112,115.66
  4. Step 4: Simplify right side
    207,608.96x = 32,121,176,360.00
  5. Step 5: Solve for x
    x = 32,121,176,360.00/207,608.96
  6. Step 6: Final answer
    x = 154,719.60

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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.