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Finding the Fourth Proportional to 202,491.50, 303,506.73 and 90,002.74

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Solution

The fourth proportional to 202,491.50, 303,506.73 and 90,002.74 is: 134,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,491.50 : 303,506.73 = 90,002.74 : x
  2. Step 2: Convert to fraction form
    202,491.50/303,506.73 = 90,002.74/x
  3. Step 3: Cross multiply
    202,491.50x = 303,506.73 × 90,002.74
  4. Step 4: Simplify right side
    202,491.50x = 27,316,437,308.44
  5. Step 5: Solve for x
    x = 27,316,437,308.44/202,491.50
  6. Step 6: Final answer
    x = 134,901.65

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1.5x scale

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.