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Finding the Fourth Proportional to 104,976, 144,866.88 and 67,250.25

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Solution

The fourth proportional to 104,976, 144,866.88 and 67,250.25 is: 92,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976 : 144,866.88 = 67,250.25 : x
  2. Step 2: Convert to fraction form
    104,976/144,866.88 = 67,250.25/x
  3. Step 3: Cross multiply
    104,976x = 144,866.88 × 67,250.25
  4. Step 4: Simplify right side
    104,976x = 9,742,333,896.72
  5. Step 5: Solve for x
    x = 9,742,333,896.72/104,976
  6. Step 6: Final answer
    x = 92,805.35

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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.