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Finding the Fourth Proportional to 101,326.64, 151,989.71 and 95,161.09

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Solution

The fourth proportional to 101,326.64, 151,989.71 and 95,161.09 is: 142,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.64 : 151,989.71 = 95,161.09 : x
  2. Step 2: Convert to fraction form
    101,326.64/151,989.71 = 95,161.09/x
  3. Step 3: Cross multiply
    101,326.64x = 151,989.71 × 95,161.09
  4. Step 4: Simplify right side
    101,326.64x = 14,463,506,472.38
  5. Step 5: Solve for x
    x = 14,463,506,472.38/101,326.64
  6. Step 6: Final answer
    x = 142,741.40

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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.