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Finding the Fourth Proportional to 112,033, 154,608.78 and 61,735.24

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Solution

The fourth proportional to 112,033, 154,608.78 and 61,735.24 is: 85,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,033 : 154,608.78 = 61,735.24 : x
  2. Step 2: Convert to fraction form
    112,033/154,608.78 = 61,735.24/x
  3. Step 3: Cross multiply
    112,033x = 154,608.78 × 61,735.24
  4. Step 4: Simplify right side
    112,033x = 9,544,810,139.41
  5. Step 5: Solve for x
    x = 9,544,810,139.41/112,033
  6. Step 6: Final answer
    x = 85,196.42

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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.