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Finding the Fourth Proportional to 535,173.26, 802,877.92 and 156,123.63

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Solution

The fourth proportional to 535,173.26, 802,877.92 and 156,123.63 is: 234,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,173.26 : 802,877.92 = 156,123.63 : x
  2. Step 2: Convert to fraction form
    535,173.26/802,877.92 = 156,123.63/x
  3. Step 3: Cross multiply
    535,173.26x = 802,877.92 × 156,123.63
  4. Step 4: Simplify right side
    535,173.26x = 125,348,215,707.56
  5. Step 5: Solve for x
    x = 125,348,215,707.56/535,173.26
  6. Step 6: Final answer
    x = 234,219.88

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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.