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Finding the Fourth Proportional to 100,010.88, 150,042.24 and 37,681.92

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Solution

The fourth proportional to 100,010.88, 150,042.24 and 37,681.92 is: 56,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,010.88 : 150,042.24 = 37,681.92 : x
  2. Step 2: Convert to fraction form
    100,010.88/150,042.24 = 37,681.92/x
  3. Step 3: Cross multiply
    100,010.88x = 150,042.24 × 37,681.92
  4. Step 4: Simplify right side
    100,010.88x = 5,653,879,684.30
  5. Step 5: Solve for x
    x = 5,653,879,684.30/100,010.88
  6. Step 6: Final answer
    x = 56,532.65

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1.5x scale

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.