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Finding the Fourth Proportional to 111,600.84, 154,010.25 and 61,299.84

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Solution

The fourth proportional to 111,600.84, 154,010.25 and 61,299.84 is: 84,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,600.84 : 154,010.25 = 61,299.84 : x
  2. Step 2: Convert to fraction form
    111,600.84/154,010.25 = 61,299.84/x
  3. Step 3: Cross multiply
    111,600.84x = 154,010.25 × 61,299.84
  4. Step 4: Simplify right side
    111,600.84x = 9,440,803,683.36
  5. Step 5: Solve for x
    x = 9,440,803,683.36/111,600.84
  6. Step 6: Final answer
    x = 84,594.38

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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.