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Finding the Fourth Proportional to 100,895.25, 150,969.21 and 63,154.65

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Solution

The fourth proportional to 100,895.25, 150,969.21 and 63,154.65 is: 94,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,895.25 : 150,969.21 = 63,154.65 : x
  2. Step 2: Convert to fraction form
    100,895.25/150,969.21 = 63,154.65/x
  3. Step 3: Cross multiply
    100,895.25x = 150,969.21 × 63,154.65
  4. Step 4: Simplify right side
    100,895.25x = 9,534,407,618.33
  5. Step 5: Solve for x
    x = 9,534,407,618.33/100,895.25
  6. Step 6: Final answer
    x = 94,498.08

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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.