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Finding the Fourth Proportional to 236,089, 325,816.50 and 135,493.48

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Solution

The fourth proportional to 236,089, 325,816.50 and 135,493.48 is: 186,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,089 : 325,816.50 = 135,493.48 : x
  2. Step 2: Convert to fraction form
    236,089/325,816.50 = 135,493.48/x
  3. Step 3: Cross multiply
    236,089x = 325,816.50 × 135,493.48
  4. Step 4: Simplify right side
    236,089x = 44,146,011,426.42
  5. Step 5: Solve for x
    x = 44,146,011,426.42/236,089
  6. Step 6: Final answer
    x = 186,988.85

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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.