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Finding the Fourth Proportional to 132,064.60, 197,805.30 and 84,825.40

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Solution

The fourth proportional to 132,064.60, 197,805.30 and 84,825.40 is: 127,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,064.60 : 197,805.30 = 84,825.40 : x
  2. Step 2: Convert to fraction form
    132,064.60/197,805.30 = 84,825.40/x
  3. Step 3: Cross multiply
    132,064.60x = 197,805.30 × 84,825.40
  4. Step 4: Simplify right side
    132,064.60x = 16,778,913,694.62
  5. Step 5: Solve for x
    x = 16,778,913,694.62/132,064.60
  6. Step 6: Final answer
    x = 127,050.80

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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.