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Finding the Fourth Proportional to 151,979.70, 228,034.35 and 73,053.30

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Solution

The fourth proportional to 151,979.70, 228,034.35 and 73,053.30 is: 109,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,979.70 : 228,034.35 = 73,053.30 : x
  2. Step 2: Convert to fraction form
    151,979.70/228,034.35 = 73,053.30/x
  3. Step 3: Cross multiply
    151,979.70x = 228,034.35 × 73,053.30
  4. Step 4: Simplify right side
    151,979.70x = 16,658,661,780.86
  5. Step 5: Solve for x
    x = 16,658,661,780.86/151,979.70
  6. Step 6: Final answer
    x = 109,611.10

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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.