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Finding the Fourth Proportional to 108,055.74, 149,115.51 and 60,320.82

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Solution

The fourth proportional to 108,055.74, 149,115.51 and 60,320.82 is: 83,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,055.74 : 149,115.51 = 60,320.82 : x
  2. Step 2: Convert to fraction form
    108,055.74/149,115.51 = 60,320.82/x
  3. Step 3: Cross multiply
    108,055.74x = 149,115.51 × 60,320.82
  4. Step 4: Simplify right side
    108,055.74x = 8,994,769,837.92
  5. Step 5: Solve for x
    x = 8,994,769,837.92/108,055.74
  6. Step 6: Final answer
    x = 83,241.94

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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.