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Finding the Fourth Proportional to 207,434.76, 310,889.70 and 132,525.96

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Solution

The fourth proportional to 207,434.76, 310,889.70 and 132,525.96 is: 198,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,434.76 : 310,889.70 = 132,525.96 : x
  2. Step 2: Convert to fraction form
    207,434.76/310,889.70 = 132,525.96/x
  3. Step 3: Cross multiply
    207,434.76x = 310,889.70 × 132,525.96
  4. Step 4: Simplify right side
    207,434.76x = 41,200,955,946.61
  5. Step 5: Solve for x
    x = 41,200,955,946.61/207,434.76
  6. Step 6: Final answer
    x = 198,621.27

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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.