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Finding the Fourth Proportional to 111,901.11, 154,423.09 and 60,916.67

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Solution

The fourth proportional to 111,901.11, 154,423.09 and 60,916.67 is: 84,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,901.11 : 154,423.09 = 60,916.67 : x
  2. Step 2: Convert to fraction form
    111,901.11/154,423.09 = 60,916.67/x
  3. Step 3: Cross multiply
    111,901.11x = 154,423.09 × 60,916.67
  4. Step 4: Simplify right side
    111,901.11x = 9,406,940,413.91
  5. Step 5: Solve for x
    x = 9,406,940,413.91/111,901.11
  6. Step 6: Final answer
    x = 84,064.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.