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Finding the Fourth Proportional to 369,382.81, 554,074.33 and 88,900.06

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Solution

The fourth proportional to 369,382.81, 554,074.33 and 88,900.06 is: 133,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,382.81 : 554,074.33 = 88,900.06 : x
  2. Step 2: Convert to fraction form
    369,382.81/554,074.33 = 88,900.06/x
  3. Step 3: Cross multiply
    369,382.81x = 554,074.33 × 88,900.06
  4. Step 4: Simplify right side
    369,382.81x = 49,257,241,181.46
  5. Step 5: Solve for x
    x = 49,257,241,181.46/369,382.81
  6. Step 6: Final answer
    x = 133,350.12

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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.