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Finding the Fourth Proportional to 358,084.50, 537,126.88 and 91,845.02

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Solution

The fourth proportional to 358,084.50, 537,126.88 and 91,845.02 is: 137,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,084.50 : 537,126.88 = 91,845.02 : x
  2. Step 2: Convert to fraction form
    358,084.50/537,126.88 = 91,845.02/x
  3. Step 3: Cross multiply
    358,084.50x = 537,126.88 × 91,845.02
  4. Step 4: Simplify right side
    358,084.50x = 49,332,429,036.14
  5. Step 5: Solve for x
    x = 49,332,429,036.14/358,084.50
  6. Step 6: Final answer
    x = 137,767.56

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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.