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Finding the Fourth Proportional to 92,934.60, 139,407.21 and 26,369.48

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Solution

The fourth proportional to 92,934.60, 139,407.21 and 26,369.48 is: 39,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.60 : 139,407.21 = 26,369.48 : x
  2. Step 2: Convert to fraction form
    92,934.60/139,407.21 = 26,369.48/x
  3. Step 3: Cross multiply
    92,934.60x = 139,407.21 × 26,369.48
  4. Step 4: Simplify right side
    92,934.60x = 3,676,094,938.91
  5. Step 5: Solve for x
    x = 3,676,094,938.91/92,934.60
  6. Step 6: Final answer
    x = 39,555.72

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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.