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Finding the Fourth Proportional to 159,155.55, 219,561.03 and 95,382.63

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Solution

The fourth proportional to 159,155.55, 219,561.03 and 95,382.63 is: 131,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,155.55 : 219,561.03 = 95,382.63 : x
  2. Step 2: Convert to fraction form
    159,155.55/219,561.03 = 95,382.63/x
  3. Step 3: Cross multiply
    159,155.55x = 219,561.03 × 95,382.63
  4. Step 4: Simplify right side
    159,155.55x = 20,942,308,486.91
  5. Step 5: Solve for x
    x = 20,942,308,486.91/159,155.55
  6. Step 6: Final answer
    x = 131,583.90

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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.