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Finding the Fourth Proportional to 207,251.25, 286,006.73 and 117,827.25

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Solution

The fourth proportional to 207,251.25, 286,006.73 and 117,827.25 is: 162,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,251.25 : 286,006.73 = 117,827.25 : x
  2. Step 2: Convert to fraction form
    207,251.25/286,006.73 = 117,827.25/x
  3. Step 3: Cross multiply
    207,251.25x = 286,006.73 × 117,827.25
  4. Step 4: Simplify right side
    207,251.25x = 33,699,385,888.26
  5. Step 5: Solve for x
    x = 33,699,385,888.26/207,251.25
  6. Step 6: Final answer
    x = 162,601.61

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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.