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Finding the Fourth Proportional to 86,574.16, 119,473.84 and 50,789.92

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Solution

The fourth proportional to 86,574.16, 119,473.84 and 50,789.92 is: 70,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574.16 : 119,473.84 = 50,789.92 : x
  2. Step 2: Convert to fraction form
    86,574.16/119,473.84 = 50,789.92/x
  3. Step 3: Cross multiply
    86,574.16x = 119,473.84 × 50,789.92
  4. Step 4: Simplify right side
    86,574.16x = 6,068,066,775.69
  5. Step 5: Solve for x
    x = 6,068,066,775.69/86,574.16
  6. Step 6: Final answer
    x = 70,090.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.