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Finding the Fourth Proportional to 192,417.78, 288,658.26 and 59,298.06

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Solution

The fourth proportional to 192,417.78, 288,658.26 and 59,298.06 is: 88,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,417.78 : 288,658.26 = 59,298.06 : x
  2. Step 2: Convert to fraction form
    192,417.78/288,658.26 = 59,298.06/x
  3. Step 3: Cross multiply
    192,417.78x = 288,658.26 × 59,298.06
  4. Step 4: Simplify right side
    192,417.78x = 17,116,874,820.98
  5. Step 5: Solve for x
    x = 17,116,874,820.98/192,417.78
  6. Step 6: Final answer
    x = 88,956.83

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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.