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Finding the Fourth Proportional to 101,287.41, 151,931.24 and 26,407.50

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Solution

The fourth proportional to 101,287.41, 151,931.24 and 26,407.50 is: 39,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,287.41 : 151,931.24 = 26,407.50 : x
  2. Step 2: Convert to fraction form
    101,287.41/151,931.24 = 26,407.50/x
  3. Step 3: Cross multiply
    101,287.41x = 151,931.24 × 26,407.50
  4. Step 4: Simplify right side
    101,287.41x = 4,012,124,220.30
  5. Step 5: Solve for x
    x = 4,012,124,220.30/101,287.41
  6. Step 6: Final answer
    x = 39,611.28

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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.