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Finding the Fourth Proportional to 194,894.33, 292,341.47 and 73,337.72

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Solution

The fourth proportional to 194,894.33, 292,341.47 and 73,337.72 is: 110,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,894.33 : 292,341.47 = 73,337.72 : x
  2. Step 2: Convert to fraction form
    194,894.33/292,341.47 = 73,337.72/x
  3. Step 3: Cross multiply
    194,894.33x = 292,341.47 × 73,337.72
  4. Step 4: Simplify right side
    194,894.33x = 21,439,655,042.85
  5. Step 5: Solve for x
    x = 21,439,655,042.85/194,894.33
  6. Step 6: Final answer
    x = 110,006.56

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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.