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Finding the Fourth Proportional to 194,346.88, 291,254.22 and 99,378.42

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Solution

The fourth proportional to 194,346.88, 291,254.22 and 99,378.42 is: 148,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,346.88 : 291,254.22 = 99,378.42 : x
  2. Step 2: Convert to fraction form
    194,346.88/291,254.22 = 99,378.42/x
  3. Step 3: Cross multiply
    194,346.88x = 291,254.22 × 99,378.42
  4. Step 4: Simplify right side
    194,346.88x = 28,944,384,201.93
  5. Step 5: Solve for x
    x = 28,944,384,201.93/194,346.88
  6. Step 6: Final answer
    x = 148,931.56

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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.