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Finding the Fourth Proportional to 92,822.66, 139,139.22 and 36,701.51

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Solution

The fourth proportional to 92,822.66, 139,139.22 and 36,701.51 is: 55,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,822.66 : 139,139.22 = 36,701.51 : x
  2. Step 2: Convert to fraction form
    92,822.66/139,139.22 = 36,701.51/x
  3. Step 3: Cross multiply
    92,822.66x = 139,139.22 × 36,701.51
  4. Step 4: Simplify right side
    92,822.66x = 5,106,618,709.71
  5. Step 5: Solve for x
    x = 5,106,618,709.71/92,822.66
  6. Step 6: Final answer
    x = 55,014.79

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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.