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Finding the Fourth Proportional to 194,672.38, 292,008.84 and 54,430.88

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Solution

The fourth proportional to 194,672.38, 292,008.84 and 54,430.88 is: 81,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,672.38 : 292,008.84 = 54,430.88 : x
  2. Step 2: Convert to fraction form
    194,672.38/292,008.84 = 54,430.88/x
  3. Step 3: Cross multiply
    194,672.38x = 292,008.84 × 54,430.88
  4. Step 4: Simplify right side
    194,672.38x = 15,894,298,128.98
  5. Step 5: Solve for x
    x = 15,894,298,128.98/194,672.38
  6. Step 6: Final answer
    x = 81,646.40

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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.