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Finding the Fourth Proportional to 372,048.94, 558,061.05 and 161,687.08

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Solution

The fourth proportional to 372,048.94, 558,061.05 and 161,687.08 is: 242,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,048.94 : 558,061.05 = 161,687.08 : x
  2. Step 2: Convert to fraction form
    372,048.94/558,061.05 = 161,687.08/x
  3. Step 3: Cross multiply
    372,048.94x = 558,061.05 × 161,687.08
  4. Step 4: Simplify right side
    372,048.94x = 90,231,258,845.93
  5. Step 5: Solve for x
    x = 90,231,258,845.93/372,048.94
  6. Step 6: Final answer
    x = 242,525.24

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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.