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Finding the Fourth Proportional to 101,097.74, 151,666.05 and 38,763.38

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Solution

The fourth proportional to 101,097.74, 151,666.05 and 38,763.38 is: 58,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,097.74 : 151,666.05 = 38,763.38 : x
  2. Step 2: Convert to fraction form
    101,097.74/151,666.05 = 38,763.38/x
  3. Step 3: Cross multiply
    101,097.74x = 151,666.05 × 38,763.38
  4. Step 4: Simplify right side
    101,097.74x = 5,879,088,729.25
  5. Step 5: Solve for x
    x = 5,879,088,729.25/101,097.74
  6. Step 6: Final answer
    x = 58,152.52

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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.