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Finding the Fourth Proportional to 342,937.23, 473,248.24 and 189,974.94

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Solution

The fourth proportional to 342,937.23, 473,248.24 and 189,974.94 is: 262,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,937.23 : 473,248.24 = 189,974.94 : x
  2. Step 2: Convert to fraction form
    342,937.23/473,248.24 = 189,974.94/x
  3. Step 3: Cross multiply
    342,937.23x = 473,248.24 × 189,974.94
  4. Step 4: Simplify right side
    342,937.23x = 89,905,305,999.11
  5. Step 5: Solve for x
    x = 89,905,305,999.11/342,937.23
  6. Step 6: Final answer
    x = 262,162.57

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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.