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Finding the Fourth Proportional to 175,239.20, 262,858.80 and 101,280.80

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Solution

The fourth proportional to 175,239.20, 262,858.80 and 101,280.80 is: 151,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,239.20 : 262,858.80 = 101,280.80 : x
  2. Step 2: Convert to fraction form
    175,239.20/262,858.80 = 101,280.80/x
  3. Step 3: Cross multiply
    175,239.20x = 262,858.80 × 101,280.80
  4. Step 4: Simplify right side
    175,239.20x = 26,622,549,551.04
  5. Step 5: Solve for x
    x = 26,622,549,551.04/175,239.20
  6. Step 6: Final answer
    x = 151,921.20

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1.5x scale

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.