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Finding the Fourth Proportional to 108,608.83, 149,872 and 60,852.95

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Solution

The fourth proportional to 108,608.83, 149,872 and 60,852.95 is: 83,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,608.83 : 149,872 = 60,852.95 : x
  2. Step 2: Convert to fraction form
    108,608.83/149,872 = 60,852.95/x
  3. Step 3: Cross multiply
    108,608.83x = 149,872 × 60,852.95
  4. Step 4: Simplify right side
    108,608.83x = 9,120,153,322.40
  5. Step 5: Solve for x
    x = 9,120,153,322.40/108,608.83
  6. Step 6: Final answer
    x = 83,972.48

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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.