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Finding the Fourth Proportional to 108,759.58, 150,087.87 and 60,368.83

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Solution

The fourth proportional to 108,759.58, 150,087.87 and 60,368.83 is: 83,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.58 : 150,087.87 = 60,368.83 : x
  2. Step 2: Convert to fraction form
    108,759.58/150,087.87 = 60,368.83/x
  3. Step 3: Cross multiply
    108,759.58x = 150,087.87 × 60,368.83
  4. Step 4: Simplify right side
    108,759.58x = 9,060,628,733.87
  5. Step 5: Solve for x
    x = 9,060,628,733.87/108,759.58
  6. Step 6: Final answer
    x = 83,308.79

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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.