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Finding the Fourth Proportional to 192,678.61, 289,045.56 and 59,569.27

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Solution

The fourth proportional to 192,678.61, 289,045.56 and 59,569.27 is: 89,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,678.61 : 289,045.56 = 59,569.27 : x
  2. Step 2: Convert to fraction form
    192,678.61/289,045.56 = 59,569.27/x
  3. Step 3: Cross multiply
    192,678.61x = 289,045.56 × 59,569.27
  4. Step 4: Simplify right side
    192,678.61x = 17,218,233,005.94
  5. Step 5: Solve for x
    x = 17,218,233,005.94/192,678.61
  6. Step 6: Final answer
    x = 89,362.45

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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.