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Finding the Fourth Proportional to 92,906.30, 139,349.94 and 25,444.32

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Solution

The fourth proportional to 92,906.30, 139,349.94 and 25,444.32 is: 38,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,906.30 : 139,349.94 = 25,444.32 : x
  2. Step 2: Convert to fraction form
    92,906.30/139,349.94 = 25,444.32/x
  3. Step 3: Cross multiply
    92,906.30x = 139,349.94 × 25,444.32
  4. Step 4: Simplify right side
    92,906.30x = 3,545,664,465.34
  5. Step 5: Solve for x
    x = 3,545,664,465.34/92,906.30
  6. Step 6: Final answer
    x = 38,163.88

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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.