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Finding the Fourth Proportional to 111,616.92, 154,032.99 and 60,630.62

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Solution

The fourth proportional to 111,616.92, 154,032.99 and 60,630.62 is: 83,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,616.92 : 154,032.99 = 60,630.62 : x
  2. Step 2: Convert to fraction form
    111,616.92/154,032.99 = 60,630.62/x
  3. Step 3: Cross multiply
    111,616.92x = 154,032.99 × 60,630.62
  4. Step 4: Simplify right side
    111,616.92x = 9,339,114,913.99
  5. Step 5: Solve for x
    x = 9,339,114,913.99/111,616.92
  6. Step 6: Final answer
    x = 83,671.14

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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.