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Finding the Fourth Proportional to 369,342.72, 554,014.05 and 88,859.97

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Solution

The fourth proportional to 369,342.72, 554,014.05 and 88,859.97 is: 133,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,342.72 : 554,014.05 = 88,859.97 : x
  2. Step 2: Convert to fraction form
    369,342.72/554,014.05 = 88,859.97/x
  3. Step 3: Cross multiply
    369,342.72x = 554,014.05 × 88,859.97
  4. Step 4: Simplify right side
    369,342.72x = 49,229,671,529.35
  5. Step 5: Solve for x
    x = 49,229,671,529.35/369,342.72
  6. Step 6: Final answer
    x = 133,289.95

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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.