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Finding the Fourth Proportional to 73,033.49, 100,793.88 and 42,820.08

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Solution

The fourth proportional to 73,033.49, 100,793.88 and 42,820.08 is: 59,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,033.49 : 100,793.88 = 42,820.08 : x
  2. Step 2: Convert to fraction form
    73,033.49/100,793.88 = 42,820.08/x
  3. Step 3: Cross multiply
    73,033.49x = 100,793.88 × 42,820.08
  4. Step 4: Simplify right side
    73,033.49x = 4,316,002,005.11
  5. Step 5: Solve for x
    x = 4,316,002,005.11/73,033.49
  6. Step 6: Final answer
    x = 59,096.21

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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.