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Finding the Fourth Proportional to 169,093.58, 253,638.59 and 42,731.24

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Solution

The fourth proportional to 169,093.58, 253,638.59 and 42,731.24 is: 64,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,093.58 : 253,638.59 = 42,731.24 : x
  2. Step 2: Convert to fraction form
    169,093.58/253,638.59 = 42,731.24/x
  3. Step 3: Cross multiply
    169,093.58x = 253,638.59 × 42,731.24
  4. Step 4: Simplify right side
    169,093.58x = 10,838,289,980.70
  5. Step 5: Solve for x
    x = 10,838,289,980.70/169,093.58
  6. Step 6: Final answer
    x = 64,096.40

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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.