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Finding the Fourth Proportional to 270,267, 372,991.50 and 151,058.04

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Solution

The fourth proportional to 270,267, 372,991.50 and 151,058.04 is: 208,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,267 : 372,991.50 = 151,058.04 : x
  2. Step 2: Convert to fraction form
    270,267/372,991.50 = 151,058.04/x
  3. Step 3: Cross multiply
    270,267x = 372,991.50 × 151,058.04
  4. Step 4: Simplify right side
    270,267x = 56,343,364,926.66
  5. Step 5: Solve for x
    x = 56,343,364,926.66/270,267
  6. Step 6: Final answer
    x = 208,472.97

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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.