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Finding the Fourth Proportional to 92,718.76, 139,041.75 and 32,734.44

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Solution

The fourth proportional to 92,718.76, 139,041.75 and 32,734.44 is: 49,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,718.76 : 139,041.75 = 32,734.44 : x
  2. Step 2: Convert to fraction form
    92,718.76/139,041.75 = 32,734.44/x
  3. Step 3: Cross multiply
    92,718.76x = 139,041.75 × 32,734.44
  4. Step 4: Simplify right side
    92,718.76x = 4,551,453,822.87
  5. Step 5: Solve for x
    x = 4,551,453,822.87/92,718.76
  6. Step 6: Final answer
    x = 49,088.81

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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.