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Finding the Fourth Proportional to 207,750.22, 286,695.18 and 112,256.89

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Solution

The fourth proportional to 207,750.22, 286,695.18 and 112,256.89 is: 154,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,750.22 : 286,695.18 = 112,256.89 : x
  2. Step 2: Convert to fraction form
    207,750.22/286,695.18 = 112,256.89/x
  3. Step 3: Cross multiply
    207,750.22x = 286,695.18 × 112,256.89
  4. Step 4: Simplify right side
    207,750.22x = 32,183,508,568.05
  5. Step 5: Solve for x
    x = 32,183,508,568.05/207,750.22
  6. Step 6: Final answer
    x = 154,914.44

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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.