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Finding the Fourth Proportional to 136,493.80, 197,363.05 and 136,493.80

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Solution

The fourth proportional to 136,493.80, 197,363.05 and 136,493.80 is: 197,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,493.80 : 197,363.05 = 136,493.80 : x
  2. Step 2: Convert to fraction form
    136,493.80/197,363.05 = 136,493.80/x
  3. Step 3: Cross multiply
    136,493.80x = 197,363.05 × 136,493.80
  4. Step 4: Simplify right side
    136,493.80x = 26,938,832,674.09
  5. Step 5: Solve for x
    x = 26,938,832,674.09/136,493.80
  6. Step 6: Final answer
    x = 197,363.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.