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Finding the Fourth Proportional to 354,095.12, 531,337.12 and 167,101.76

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Solution

The fourth proportional to 354,095.12, 531,337.12 and 167,101.76 is: 250,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,095.12 : 531,337.12 = 167,101.76 : x
  2. Step 2: Convert to fraction form
    354,095.12/531,337.12 = 167,101.76/x
  3. Step 3: Cross multiply
    354,095.12x = 531,337.12 × 167,101.76
  4. Step 4: Simplify right side
    354,095.12x = 88,787,367,905.33
  5. Step 5: Solve for x
    x = 88,787,367,905.33/354,095.12
  6. Step 6: Final answer
    x = 250,744.40

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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.