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Finding the Fourth Proportional to 342,901.11, 473,187.09 and 189,928.98

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Solution

The fourth proportional to 342,901.11, 473,187.09 and 189,928.98 is: 262,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,901.11 : 473,187.09 = 189,928.98 : x
  2. Step 2: Convert to fraction form
    342,901.11/473,187.09 = 189,928.98/x
  3. Step 3: Cross multiply
    342,901.11x = 473,187.09 × 189,928.98
  4. Step 4: Simplify right side
    342,901.11x = 89,871,941,352.87
  5. Step 5: Solve for x
    x = 89,871,941,352.87/342,901.11
  6. Step 6: Final answer
    x = 262,092.89

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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.