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Finding the Fourth Proportional to 208,065.24, 286,868.62 and 169,785.91

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Solution

The fourth proportional to 208,065.24, 286,868.62 and 169,785.91 is: 234,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,065.24 : 286,868.62 = 169,785.91 : x
  2. Step 2: Convert to fraction form
    208,065.24/286,868.62 = 169,785.91/x
  3. Step 3: Cross multiply
    208,065.24x = 286,868.62 × 169,785.91
  4. Step 4: Simplify right side
    208,065.24x = 48,706,248,654.33
  5. Step 5: Solve for x
    x = 48,706,248,654.33/208,065.24
  6. Step 6: Final answer
    x = 234,091.23

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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.