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Finding the Fourth Proportional to 199,490.30, 299,235.45 and 88,682.30

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Solution

The fourth proportional to 199,490.30, 299,235.45 and 88,682.30 is: 133,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,490.30 : 299,235.45 = 88,682.30 : x
  2. Step 2: Convert to fraction form
    199,490.30/299,235.45 = 88,682.30/x
  3. Step 3: Cross multiply
    199,490.30x = 299,235.45 × 88,682.30
  4. Step 4: Simplify right side
    199,490.30x = 26,536,887,947.54
  5. Step 5: Solve for x
    x = 26,536,887,947.54/199,490.30
  6. Step 6: Final answer
    x = 133,023.45

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1.5x scale

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.