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Finding the Fourth Proportional to 195,401.80, 293,102.70 and 177,322.60

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Solution

The fourth proportional to 195,401.80, 293,102.70 and 177,322.60 is: 265,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,401.80 : 293,102.70 = 177,322.60 : x
  2. Step 2: Convert to fraction form
    195,401.80/293,102.70 = 177,322.60/x
  3. Step 3: Cross multiply
    195,401.80x = 293,102.70 × 177,322.60
  4. Step 4: Simplify right side
    195,401.80x = 51,973,732,831.02
  5. Step 5: Solve for x
    x = 51,973,732,831.02/195,401.80
  6. Step 6: Final answer
    x = 265,983.90

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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.