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Finding the Fourth Proportional to 194,614.88, 292,053.33 and 68,256.29

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Solution

The fourth proportional to 194,614.88, 292,053.33 and 68,256.29 is: 102,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,614.88 : 292,053.33 = 68,256.29 : x
  2. Step 2: Convert to fraction form
    194,614.88/292,053.33 = 68,256.29/x
  3. Step 3: Cross multiply
    194,614.88x = 292,053.33 × 68,256.29
  4. Step 4: Simplify right side
    194,614.88x = 19,934,477,518.08
  5. Step 5: Solve for x
    x = 19,934,477,518.08/194,614.88
  6. Step 6: Final answer
    x = 102,430.39

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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.