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Finding the Fourth Proportional to 152,004.99, 209,738.02 and 95,390.85

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Solution

The fourth proportional to 152,004.99, 209,738.02 and 95,390.85 is: 131,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,004.99 : 209,738.02 = 95,390.85 : x
  2. Step 2: Convert to fraction form
    152,004.99/209,738.02 = 95,390.85/x
  3. Step 3: Cross multiply
    152,004.99x = 209,738.02 × 95,390.85
  4. Step 4: Simplify right side
    152,004.99x = 20,007,088,005.12
  5. Step 5: Solve for x
    x = 20,007,088,005.12/152,004.99
  6. Step 6: Final answer
    x = 131,621.26

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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.