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Finding the Fourth Proportional to 369,581.68, 554,367.66 and 89,096.68

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Solution

The fourth proportional to 369,581.68, 554,367.66 and 89,096.68 is: 133,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,581.68 : 554,367.66 = 89,096.68 : x
  2. Step 2: Convert to fraction form
    369,581.68/554,367.66 = 89,096.68/x
  3. Step 3: Cross multiply
    369,581.68x = 554,367.66 × 89,096.68
  4. Step 4: Simplify right side
    369,581.68x = 49,392,318,005.37
  5. Step 5: Solve for x
    x = 49,392,318,005.37/369,581.68
  6. Step 6: Final answer
    x = 133,643.85

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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.