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Finding the Fourth Proportional to 207,604.88, 286,494.73 and 112,111.57

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Solution

The fourth proportional to 207,604.88, 286,494.73 and 112,111.57 is: 154,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,604.88 : 286,494.73 = 112,111.57 : x
  2. Step 2: Convert to fraction form
    207,604.88/286,494.73 = 112,111.57/x
  3. Step 3: Cross multiply
    207,604.88x = 286,494.73 × 112,111.57
  4. Step 4: Simplify right side
    207,604.88x = 32,119,374,054.87
  5. Step 5: Solve for x
    x = 32,119,374,054.87/207,604.88
  6. Step 6: Final answer
    x = 154,713.97

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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.