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Finding the Fourth Proportional to 169,110, 233,379.09 and 93,658.50

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Solution

The fourth proportional to 169,110, 233,379.09 and 93,658.50 is: 129,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,110 : 233,379.09 = 93,658.50 : x
  2. Step 2: Convert to fraction form
    169,110/233,379.09 = 93,658.50/x
  3. Step 3: Cross multiply
    169,110x = 233,379.09 × 93,658.50
  4. Step 4: Simplify right side
    169,110x = 21,857,935,500.77
  5. Step 5: Solve for x
    x = 21,857,935,500.77/169,110
  6. Step 6: Final answer
    x = 129,252.77

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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.