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Finding the Fourth Proportional to 225,598.86, 338,368.59 and 107,345.34

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Solution

The fourth proportional to 225,598.86, 338,368.59 and 107,345.34 is: 161,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,598.86 : 338,368.59 = 107,345.34 : x
  2. Step 2: Convert to fraction form
    225,598.86/338,368.59 = 107,345.34/x
  3. Step 3: Cross multiply
    225,598.86x = 338,368.59 × 107,345.34
  4. Step 4: Simplify right side
    225,598.86x = 36,322,291,338.87
  5. Step 5: Solve for x
    x = 36,322,291,338.87/225,598.86
  6. Step 6: Final answer
    x = 161,003.88

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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.