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Finding the Fourth Proportional to 144,750.96, 199,878.68 and 108,878.48

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Solution

The fourth proportional to 144,750.96, 199,878.68 and 108,878.48 is: 150,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,750.96 : 199,878.68 = 108,878.48 : x
  2. Step 2: Convert to fraction form
    144,750.96/199,878.68 = 108,878.48/x
  3. Step 3: Cross multiply
    144,750.96x = 199,878.68 × 108,878.48
  4. Step 4: Simplify right side
    144,750.96x = 21,762,486,862.81
  5. Step 5: Solve for x
    x = 21,762,486,862.81/144,750.96
  6. Step 6: Final answer
    x = 150,344.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.