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Finding the Fourth Proportional to 195,031.80, 293,203.80 and 166,163.40

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Solution

The fourth proportional to 195,031.80, 293,203.80 and 166,163.40 is: 249,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,031.80 : 293,203.80 = 166,163.40 : x
  2. Step 2: Convert to fraction form
    195,031.80/293,203.80 = 166,163.40/x
  3. Step 3: Cross multiply
    195,031.80x = 293,203.80 × 166,163.40
  4. Step 4: Simplify right side
    195,031.80x = 48,719,740,300.92
  5. Step 5: Solve for x
    x = 48,719,740,300.92/195,031.80
  6. Step 6: Final answer
    x = 249,804.08

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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.