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Finding the Fourth Proportional to 100,675.88, 151,009.98 and 30,552.36

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Solution

The fourth proportional to 100,675.88, 151,009.98 and 30,552.36 is: 45,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,675.88 : 151,009.98 = 30,552.36 : x
  2. Step 2: Convert to fraction form
    100,675.88/151,009.98 = 30,552.36/x
  3. Step 3: Cross multiply
    100,675.88x = 151,009.98 × 30,552.36
  4. Step 4: Simplify right side
    100,675.88x = 4,613,711,272.55
  5. Step 5: Solve for x
    x = 4,613,711,272.55/100,675.88
  6. Step 6: Final answer
    x = 45,827.37

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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.