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Finding the Fourth Proportional to 192,390.19, 288,623.55 and 59,264.76

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Solution

The fourth proportional to 192,390.19, 288,623.55 and 59,264.76 is: 88,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,390.19 : 288,623.55 = 59,264.76 : x
  2. Step 2: Convert to fraction form
    192,390.19/288,623.55 = 59,264.76/x
  3. Step 3: Cross multiply
    192,390.19x = 288,623.55 × 59,264.76
  4. Step 4: Simplify right side
    192,390.19x = 17,105,206,725.68
  5. Step 5: Solve for x
    x = 17,105,206,725.68/192,390.19
  6. Step 6: Final answer
    x = 88,908.94

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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.