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Finding the Fourth Proportional to 535,171.88, 802,875.86 and 156,122.25

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Solution

The fourth proportional to 535,171.88, 802,875.86 and 156,122.25 is: 234,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,171.88 : 802,875.86 = 156,122.25 : x
  2. Step 2: Convert to fraction form
    535,171.88/802,875.86 = 156,122.25/x
  3. Step 3: Cross multiply
    535,171.88x = 802,875.86 × 156,122.25
  4. Step 4: Simplify right side
    535,171.88x = 125,346,786,124.19
  5. Step 5: Solve for x
    x = 125,346,786,124.19/535,171.88
  6. Step 6: Final answer
    x = 234,217.81

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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.