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Finding the Fourth Proportional to 111,604.50, 154,024.54 and 61,313.22

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Solution

The fourth proportional to 111,604.50, 154,024.54 and 61,313.22 is: 84,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,604.50 : 154,024.54 = 61,313.22 : x
  2. Step 2: Convert to fraction form
    111,604.50/154,024.54 = 61,313.22/x
  3. Step 3: Cross multiply
    111,604.50x = 154,024.54 × 61,313.22
  4. Step 4: Simplify right side
    111,604.50x = 9,443,740,353.14
  5. Step 5: Solve for x
    x = 9,443,740,353.14/111,604.50
  6. Step 6: Final answer
    x = 84,617.92

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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.