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Finding the Fourth Proportional to 96,331.32, 144,459.54 and 33,139.44

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Solution

The fourth proportional to 96,331.32, 144,459.54 and 33,139.44 is: 49,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,331.32 : 144,459.54 = 33,139.44 : x
  2. Step 2: Convert to fraction form
    96,331.32/144,459.54 = 33,139.44/x
  3. Step 3: Cross multiply
    96,331.32x = 144,459.54 × 33,139.44
  4. Step 4: Simplify right side
    96,331.32x = 4,787,308,258.26
  5. Step 5: Solve for x
    x = 4,787,308,258.26/96,331.32
  6. Step 6: Final answer
    x = 49,696.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.