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Finding the Fourth Proportional to 92,133.57, 137,249.52 and 89,345.82

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Solution

The fourth proportional to 92,133.57, 137,249.52 and 89,345.82 is: 133,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,133.57 : 137,249.52 = 89,345.82 : x
  2. Step 2: Convert to fraction form
    92,133.57/137,249.52 = 89,345.82/x
  3. Step 3: Cross multiply
    92,133.57x = 137,249.52 × 89,345.82
  4. Step 4: Simplify right side
    92,133.57x = 12,262,670,909.01
  5. Step 5: Solve for x
    x = 12,262,670,909.01/92,133.57
  6. Step 6: Final answer
    x = 133,096.67

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.