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Finding the Fourth Proportional to 195,200.80, 292,570.80 and 82,880.80

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Solution

The fourth proportional to 195,200.80, 292,570.80 and 82,880.80 is: 124,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,200.80 : 292,570.80 = 82,880.80 : x
  2. Step 2: Convert to fraction form
    195,200.80/292,570.80 = 82,880.80/x
  3. Step 3: Cross multiply
    195,200.80x = 292,570.80 × 82,880.80
  4. Step 4: Simplify right side
    195,200.80x = 24,248,501,960.64
  5. Step 5: Solve for x
    x = 24,248,501,960.64/195,200.80
  6. Step 6: Final answer
    x = 124,223.37

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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.