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Finding the Fourth Proportional to 235,108.46, 324,548.96 and 158,730.98

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Solution

The fourth proportional to 235,108.46, 324,548.96 and 158,730.98 is: 219,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,108.46 : 324,548.96 = 158,730.98 : x
  2. Step 2: Convert to fraction form
    235,108.46/324,548.96 = 158,730.98/x
  3. Step 3: Cross multiply
    235,108.46x = 324,548.96 × 158,730.98
  4. Step 4: Simplify right side
    235,108.46x = 51,515,973,063.31
  5. Step 5: Solve for x
    x = 51,515,973,063.31/235,108.46
  6. Step 6: Final answer
    x = 219,115.77

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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.