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Finding the Fourth Proportional to 272,728.32, 376,274.88 and 159,470.88

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Solution

The fourth proportional to 272,728.32, 376,274.88 and 159,470.88 is: 220,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,728.32 : 376,274.88 = 159,470.88 : x
  2. Step 2: Convert to fraction form
    272,728.32/376,274.88 = 159,470.88/x
  3. Step 3: Cross multiply
    272,728.32x = 376,274.88 × 159,470.88
  4. Step 4: Simplify right side
    272,728.32x = 60,004,886,235.49
  5. Step 5: Solve for x
    x = 60,004,886,235.49/272,728.32
  6. Step 6: Final answer
    x = 220,017.07

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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.