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Finding the Fourth Proportional to 215,247.65, 297,041.91 and 119,754.41

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Solution

The fourth proportional to 215,247.65, 297,041.91 and 119,754.41 is: 165,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,247.65 : 297,041.91 = 119,754.41 : x
  2. Step 2: Convert to fraction form
    215,247.65/297,041.91 = 119,754.41/x
  3. Step 3: Cross multiply
    215,247.65x = 297,041.91 × 119,754.41
  4. Step 4: Simplify right side
    215,247.65x = 35,572,078,677.32
  5. Step 5: Solve for x
    x = 35,572,078,677.32/215,247.65
  6. Step 6: Final answer
    x = 165,261.17

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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.