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Finding the Fourth Proportional to 92,903.74, 139,368.13 and 33,756.32

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Solution

The fourth proportional to 92,903.74, 139,368.13 and 33,756.32 is: 50,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,903.74 : 139,368.13 = 33,756.32 : x
  2. Step 2: Convert to fraction form
    92,903.74/139,368.13 = 33,756.32/x
  3. Step 3: Cross multiply
    92,903.74x = 139,368.13 × 33,756.32
  4. Step 4: Simplify right side
    92,903.74x = 4,704,555,458.11
  5. Step 5: Solve for x
    x = 4,704,555,458.11/92,903.74
  6. Step 6: Final answer
    x = 50,639.03

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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.