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Finding the Fourth Proportional to 195,220.40, 292,393.20 and 155,854.40

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Solution

The fourth proportional to 195,220.40, 292,393.20 and 155,854.40 is: 233,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,220.40 : 292,393.20 = 155,854.40 : x
  2. Step 2: Convert to fraction form
    195,220.40/292,393.20 = 155,854.40/x
  3. Step 3: Cross multiply
    195,220.40x = 292,393.20 × 155,854.40
  4. Step 4: Simplify right side
    195,220.40x = 45,570,766,750.08
  5. Step 5: Solve for x
    x = 45,570,766,750.08/195,220.40
  6. Step 6: Final answer
    x = 233,432.40

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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.