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Finding the Fourth Proportional to 270,184.52, 405,284.98 and 92,688.96

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Solution

The fourth proportional to 270,184.52, 405,284.98 and 92,688.96 is: 139,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,184.52 : 405,284.98 = 92,688.96 : x
  2. Step 2: Convert to fraction form
    270,184.52/405,284.98 = 92,688.96/x
  3. Step 3: Cross multiply
    270,184.52x = 405,284.98 × 92,688.96
  4. Step 4: Simplify right side
    270,184.52x = 37,565,443,299.82
  5. Step 5: Solve for x
    x = 37,565,443,299.82/270,184.52
  6. Step 6: Final answer
    x = 139,036.25

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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.