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Finding the Fourth Proportional to 235,317.24, 324,616.14 and 145,737.72

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Solution

The fourth proportional to 235,317.24, 324,616.14 and 145,737.72 is: 201,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,317.24 : 324,616.14 = 145,737.72 : x
  2. Step 2: Convert to fraction form
    235,317.24/324,616.14 = 145,737.72/x
  3. Step 3: Cross multiply
    235,317.24x = 324,616.14 × 145,737.72
  4. Step 4: Simplify right side
    235,317.24x = 47,308,816,118.80
  5. Step 5: Solve for x
    x = 47,308,816,118.80/235,317.24
  6. Step 6: Final answer
    x = 201,042.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.