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Finding the Fourth Proportional to 270,031.59, 405,104.76 and 92,490.93

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Solution

The fourth proportional to 270,031.59, 405,104.76 and 92,490.93 is: 138,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,031.59 : 405,104.76 = 92,490.93 : x
  2. Step 2: Convert to fraction form
    270,031.59/405,104.76 = 92,490.93/x
  3. Step 3: Cross multiply
    270,031.59x = 405,104.76 × 92,490.93
  4. Step 4: Simplify right side
    270,031.59x = 37,468,515,999.83
  5. Step 5: Solve for x
    x = 37,468,515,999.83/270,031.59
  6. Step 6: Final answer
    x = 138,756.05

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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.