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Finding the Fourth Proportional to 268,073.32, 369,945.04 and 147,225.48

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Solution

The fourth proportional to 268,073.32, 369,945.04 and 147,225.48 is: 203,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,073.32 : 369,945.04 = 147,225.48 : x
  2. Step 2: Convert to fraction form
    268,073.32/369,945.04 = 147,225.48/x
  3. Step 3: Cross multiply
    268,073.32x = 369,945.04 × 147,225.48
  4. Step 4: Simplify right side
    268,073.32x = 54,465,336,087.62
  5. Step 5: Solve for x
    x = 54,465,336,087.62/268,073.32
  6. Step 6: Final answer
    x = 203,173.28

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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.