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Finding the Fourth Proportional to 242,326.62, 363,464.01 and 84,558.06

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Solution

The fourth proportional to 242,326.62, 363,464.01 and 84,558.06 is: 126,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,326.62 : 363,464.01 = 84,558.06 : x
  2. Step 2: Convert to fraction form
    242,326.62/363,464.01 = 84,558.06/x
  3. Step 3: Cross multiply
    242,326.62x = 363,464.01 × 84,558.06
  4. Step 4: Simplify right side
    242,326.62x = 30,733,811,565.42
  5. Step 5: Solve for x
    x = 30,733,811,565.42/242,326.62
  6. Step 6: Final answer
    x = 126,828.05

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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.