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Finding the Fourth Proportional to 67,101.93, 100,150.38 and 65,994.66

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Solution

The fourth proportional to 67,101.93, 100,150.38 and 65,994.66 is: 98,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,101.93 : 100,150.38 = 65,994.66 : x
  2. Step 2: Convert to fraction form
    67,101.93/100,150.38 = 65,994.66/x
  3. Step 3: Cross multiply
    67,101.93x = 100,150.38 × 65,994.66
  4. Step 4: Simplify right side
    67,101.93x = 6,609,390,276.97
  5. Step 5: Solve for x
    x = 6,609,390,276.97/67,101.93
  6. Step 6: Final answer
    x = 98,497.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.