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Finding the Fourth Proportional to 225,185.28, 310,900.32 and 144,647.52

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Solution

The fourth proportional to 225,185.28, 310,900.32 and 144,647.52 is: 199,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,185.28 : 310,900.32 = 144,647.52 : x
  2. Step 2: Convert to fraction form
    225,185.28/310,900.32 = 144,647.52/x
  3. Step 3: Cross multiply
    225,185.28x = 310,900.32 × 144,647.52
  4. Step 4: Simplify right side
    225,185.28x = 44,970,960,255.21
  5. Step 5: Solve for x
    x = 44,970,960,255.21/225,185.28
  6. Step 6: Final answer
    x = 199,706.48

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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.