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Finding the Fourth Proportional to 92,782.59, 139,174.74 and 29,612.31

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Solution

The fourth proportional to 92,782.59, 139,174.74 and 29,612.31 is: 44,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,782.59 : 139,174.74 = 29,612.31 : x
  2. Step 2: Convert to fraction form
    92,782.59/139,174.74 = 29,612.31/x
  3. Step 3: Cross multiply
    92,782.59x = 139,174.74 × 29,612.31
  4. Step 4: Simplify right side
    92,782.59x = 4,121,285,545.05
  5. Step 5: Solve for x
    x = 4,121,285,545.05/92,782.59
  6. Step 6: Final answer
    x = 44,418.74

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1.5x scale

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.