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Finding the Fourth Proportional to 70,904.51, 106,249.44 and 42,793.19

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Solution

The fourth proportional to 70,904.51, 106,249.44 and 42,793.19 is: 64,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,904.51 : 106,249.44 = 42,793.19 : x
  2. Step 2: Convert to fraction form
    70,904.51/106,249.44 = 42,793.19/x
  3. Step 3: Cross multiply
    70,904.51x = 106,249.44 × 42,793.19
  4. Step 4: Simplify right side
    70,904.51x = 4,546,752,473.31
  5. Step 5: Solve for x
    x = 4,546,752,473.31/70,904.51
  6. Step 6: Final answer
    x = 64,125.01

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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.