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Finding the Fourth Proportional to 135,463.70, 203,326.76 and 65,392.22

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Solution

The fourth proportional to 135,463.70, 203,326.76 and 65,392.22 is: 98,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,463.70 : 203,326.76 = 65,392.22 : x
  2. Step 2: Convert to fraction form
    135,463.70/203,326.76 = 65,392.22/x
  3. Step 3: Cross multiply
    135,463.70x = 203,326.76 × 65,392.22
  4. Step 4: Simplify right side
    135,463.70x = 13,295,987,368.65
  5. Step 5: Solve for x
    x = 13,295,987,368.65/135,463.70
  6. Step 6: Final answer
    x = 98,151.67

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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.