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Finding the Fourth Proportional to 108,725.58, 150,041.84 and 60,981.48

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Solution

The fourth proportional to 108,725.58, 150,041.84 and 60,981.48 is: 84,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,725.58 : 150,041.84 = 60,981.48 : x
  2. Step 2: Convert to fraction form
    108,725.58/150,041.84 = 60,981.48/x
  3. Step 3: Cross multiply
    108,725.58x = 150,041.84 × 60,981.48
  4. Step 4: Simplify right side
    108,725.58x = 9,149,773,465.12
  5. Step 5: Solve for x
    x = 9,149,773,465.12/108,725.58
  6. Step 6: Final answer
    x = 84,154.75

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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.