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Finding the Fourth Proportional to 92,367.57, 127,399.93 and 70,613.01

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Solution

The fourth proportional to 92,367.57, 127,399.93 and 70,613.01 is: 97,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,367.57 : 127,399.93 = 70,613.01 : x
  2. Step 2: Convert to fraction form
    92,367.57/127,399.93 = 70,613.01/x
  3. Step 3: Cross multiply
    92,367.57x = 127,399.93 × 70,613.01
  4. Step 4: Simplify right side
    92,367.57x = 8,996,092,165.68
  5. Step 5: Solve for x
    x = 8,996,092,165.68/92,367.57
  6. Step 6: Final answer
    x = 97,394.49

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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.