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Finding the Fourth Proportional to 535,019.96, 802,533 and 135,661.52

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Solution

The fourth proportional to 535,019.96, 802,533 and 135,661.52 is: 203,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,019.96 : 802,533 = 135,661.52 : x
  2. Step 2: Convert to fraction form
    535,019.96/802,533 = 135,661.52/x
  3. Step 3: Cross multiply
    535,019.96x = 802,533 × 135,661.52
  4. Step 4: Simplify right side
    535,019.96x = 108,872,846,630.16
  5. Step 5: Solve for x
    x = 108,872,846,630.16/535,019.96
  6. Step 6: Final answer
    x = 203,493.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.