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Finding the Fourth Proportional to 131,751.40, 197,627.10 and 96,327.40

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Solution

The fourth proportional to 131,751.40, 197,627.10 and 96,327.40 is: 144,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,751.40 : 197,627.10 = 96,327.40 : x
  2. Step 2: Convert to fraction form
    131,751.40/197,627.10 = 96,327.40/x
  3. Step 3: Cross multiply
    131,751.40x = 197,627.10 × 96,327.40
  4. Step 4: Simplify right side
    131,751.40x = 19,036,904,712.54
  5. Step 5: Solve for x
    x = 19,036,904,712.54/131,751.40
  6. Step 6: Final answer
    x = 144,491.10

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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.