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Finding the Fourth Proportional to 194,281.88, 291,423.30 and 54,040.52

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Solution

The fourth proportional to 194,281.88, 291,423.30 and 54,040.52 is: 81,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,281.88 : 291,423.30 = 54,040.52 : x
  2. Step 2: Convert to fraction form
    194,281.88/291,423.30 = 54,040.52/x
  3. Step 3: Cross multiply
    194,281.88x = 291,423.30 × 54,040.52
  4. Step 4: Simplify right side
    194,281.88x = 15,748,666,672.12
  5. Step 5: Solve for x
    x = 15,748,666,672.12/194,281.88
  6. Step 6: Final answer
    x = 81,060.91

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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.