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Finding the Fourth Proportional to 372,447.94, 558,674.74 and 106,208.22

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Solution

The fourth proportional to 372,447.94, 558,674.74 and 106,208.22 is: 159,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,447.94 : 558,674.74 = 106,208.22 : x
  2. Step 2: Convert to fraction form
    372,447.94/558,674.74 = 106,208.22/x
  3. Step 3: Cross multiply
    372,447.94x = 558,674.74 × 106,208.22
  4. Step 4: Simplify right side
    372,447.94x = 59,335,849,694.36
  5. Step 5: Solve for x
    x = 59,335,849,694.36/372,447.94
  6. Step 6: Final answer
    x = 159,313.14

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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.