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Finding the Fourth Proportional to 92,262.72, 138,405.79 and 36,095.63

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Solution

The fourth proportional to 92,262.72, 138,405.79 and 36,095.63 is: 54,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,262.72 : 138,405.79 = 36,095.63 : x
  2. Step 2: Convert to fraction form
    92,262.72/138,405.79 = 36,095.63/x
  3. Step 3: Cross multiply
    92,262.72x = 138,405.79 × 36,095.63
  4. Step 4: Simplify right side
    92,262.72x = 4,995,843,538.79
  5. Step 5: Solve for x
    x = 4,995,843,538.79/92,262.72
  6. Step 6: Final answer
    x = 54,148.02

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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.