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Finding the Fourth Proportional to 73,122.84, 100,908.71 and 41,290.92

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Solution

The fourth proportional to 73,122.84, 100,908.71 and 41,290.92 is: 56,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.84 : 100,908.71 = 41,290.92 : x
  2. Step 2: Convert to fraction form
    73,122.84/100,908.71 = 41,290.92/x
  3. Step 3: Cross multiply
    73,122.84x = 100,908.71 × 41,290.92
  4. Step 4: Simplify right side
    73,122.84x = 4,166,613,265.46
  5. Step 5: Solve for x
    x = 4,166,613,265.46/73,122.84
  6. Step 6: Final answer
    x = 56,981.01

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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.