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Finding the Fourth Proportional to 207,604.59, 286,494.34 and 112,111.29

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Solution

The fourth proportional to 207,604.59, 286,494.34 and 112,111.29 is: 154,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,604.59 : 286,494.34 = 112,111.29 : x
  2. Step 2: Convert to fraction form
    207,604.59/286,494.34 = 112,111.29/x
  3. Step 3: Cross multiply
    207,604.59x = 286,494.34 × 112,111.29
  4. Step 4: Simplify right side
    207,604.59x = 32,119,250,280.34
  5. Step 5: Solve for x
    x = 32,119,250,280.34/207,604.59
  6. Step 6: Final answer
    x = 154,713.58

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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.