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Finding the Fourth Proportional to 239,360.40, 359,040.60 and 164,710.80

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Solution

The fourth proportional to 239,360.40, 359,040.60 and 164,710.80 is: 247,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,360.40 : 359,040.60 = 164,710.80 : x
  2. Step 2: Convert to fraction form
    239,360.40/359,040.60 = 164,710.80/x
  3. Step 3: Cross multiply
    239,360.40x = 359,040.60 × 164,710.80
  4. Step 4: Simplify right side
    239,360.40x = 59,137,864,458.48
  5. Step 5: Solve for x
    x = 59,137,864,458.48/239,360.40
  6. Step 6: Final answer
    x = 247,066.20

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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.