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Finding the Fourth Proportional to 195,677.20, 274,132.40 and 195,677.20

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Solution

The fourth proportional to 195,677.20, 274,132.40 and 195,677.20 is: 274,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,677.20 : 274,132.40 = 195,677.20 : x
  2. Step 2: Convert to fraction form
    195,677.20/274,132.40 = 195,677.20/x
  3. Step 3: Cross multiply
    195,677.20x = 274,132.40 × 195,677.20
  4. Step 4: Simplify right side
    195,677.20x = 53,641,460,461.28
  5. Step 5: Solve for x
    x = 53,641,460,461.28/195,677.20
  6. Step 6: Final answer
    x = 274,132.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.