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Finding the Fourth Proportional to 197,809.60, 296,422.80 and 168,066.40

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Solution

The fourth proportional to 197,809.60, 296,422.80 and 168,066.40 is: 251,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,809.60 : 296,422.80 = 168,066.40 : x
  2. Step 2: Convert to fraction form
    197,809.60/296,422.80 = 168,066.40/x
  3. Step 3: Cross multiply
    197,809.60x = 296,422.80 × 168,066.40
  4. Step 4: Simplify right side
    197,809.60x = 49,818,712,873.92
  5. Step 5: Solve for x
    x = 49,818,712,873.92/197,809.60
  6. Step 6: Final answer
    x = 251,851.85

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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.