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Finding the Fourth Proportional to 215,359.52, 297,191.08 and 119,864.17

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Solution

The fourth proportional to 215,359.52, 297,191.08 and 119,864.17 is: 165,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,359.52 : 297,191.08 = 119,864.17 : x
  2. Step 2: Convert to fraction form
    215,359.52/297,191.08 = 119,864.17/x
  3. Step 3: Cross multiply
    215,359.52x = 297,191.08 × 119,864.17
  4. Step 4: Simplify right side
    215,359.52x = 35,622,561,322.34
  5. Step 5: Solve for x
    x = 35,622,561,322.34/215,359.52
  6. Step 6: Final answer
    x = 165,409.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.