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Finding the Fourth Proportional to 313,166.16, 469,749.24 and 91,550.16

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Solution

The fourth proportional to 313,166.16, 469,749.24 and 91,550.16 is: 137,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,166.16 : 469,749.24 = 91,550.16 : x
  2. Step 2: Convert to fraction form
    313,166.16/469,749.24 = 91,550.16/x
  3. Step 3: Cross multiply
    313,166.16x = 469,749.24 × 91,550.16
  4. Step 4: Simplify right side
    313,166.16x = 43,005,618,081.88
  5. Step 5: Solve for x
    x = 43,005,618,081.88/313,166.16
  6. Step 6: Final answer
    x = 137,325.24

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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.