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Finding the Fourth Proportional to 195,280.80, 292,921.20 and 195,280.80

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Solution

The fourth proportional to 195,280.80, 292,921.20 and 195,280.80 is: 292,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,280.80 : 292,921.20 = 195,280.80 : x
  2. Step 2: Convert to fraction form
    195,280.80/292,921.20 = 195,280.80/x
  3. Step 3: Cross multiply
    195,280.80x = 292,921.20 × 195,280.80
  4. Step 4: Simplify right side
    195,280.80x = 57,201,886,272.96
  5. Step 5: Solve for x
    x = 57,201,886,272.96/195,280.80
  6. Step 6: Final answer
    x = 292,921.20

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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.