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Finding the Fourth Proportional to 208,686.44, 313,048.40 and 58,928.24

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Solution

The fourth proportional to 208,686.44, 313,048.40 and 58,928.24 is: 88,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,686.44 : 313,048.40 = 58,928.24 : x
  2. Step 2: Convert to fraction form
    208,686.44/313,048.40 = 58,928.24/x
  3. Step 3: Cross multiply
    208,686.44x = 313,048.40 × 58,928.24
  4. Step 4: Simplify right side
    208,686.44x = 18,447,391,246.82
  5. Step 5: Solve for x
    x = 18,447,391,246.82/208,686.44
  6. Step 6: Final answer
    x = 88,397.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.