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Finding the Fourth Proportional to 235,151.74, 324,331.59 and 163,495.90

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Solution

The fourth proportional to 235,151.74, 324,331.59 and 163,495.90 is: 225,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,151.74 : 324,331.59 = 163,495.90 : x
  2. Step 2: Convert to fraction form
    235,151.74/324,331.59 = 163,495.90/x
  3. Step 3: Cross multiply
    235,151.74x = 324,331.59 × 163,495.90
  4. Step 4: Simplify right side
    235,151.74x = 53,026,885,205.48
  5. Step 5: Solve for x
    x = 53,026,885,205.48/235,151.74
  6. Step 6: Final answer
    x = 225,500.71

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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.