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Finding the Fourth Proportional to 267,530.91, 369,178.59 and 152,786.91

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Solution

The fourth proportional to 267,530.91, 369,178.59 and 152,786.91 is: 210,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,530.91 : 369,178.59 = 152,786.91 : x
  2. Step 2: Convert to fraction form
    267,530.91/369,178.59 = 152,786.91/x
  3. Step 3: Cross multiply
    267,530.91x = 369,178.59 × 152,786.91
  4. Step 4: Simplify right side
    267,530.91x = 56,405,656,004.26
  5. Step 5: Solve for x
    x = 56,405,656,004.26/267,530.91
  6. Step 6: Final answer
    x = 210,837.90

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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.