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Finding the Fourth Proportional to 92,690.16, 139,025.67 and 62,895.70

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Solution

The fourth proportional to 92,690.16, 139,025.67 and 62,895.70 is: 94,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,690.16 : 139,025.67 = 62,895.70 : x
  2. Step 2: Convert to fraction form
    92,690.16/139,025.67 = 62,895.70/x
  3. Step 3: Cross multiply
    92,690.16x = 139,025.67 × 62,895.70
  4. Step 4: Simplify right side
    92,690.16x = 8,744,116,832.62
  5. Step 5: Solve for x
    x = 8,744,116,832.62/92,690.16
  6. Step 6: Final answer
    x = 94,337.06

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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.