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Finding the Fourth Proportional to 270,236.04, 372,925.80 and 147,728.94

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Solution

The fourth proportional to 270,236.04, 372,925.80 and 147,728.94 is: 203,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,236.04 : 372,925.80 = 147,728.94 : x
  2. Step 2: Convert to fraction form
    270,236.04/372,925.80 = 147,728.94/x
  3. Step 3: Cross multiply
    270,236.04x = 372,925.80 × 147,728.94
  4. Step 4: Simplify right side
    270,236.04x = 55,091,933,132.65
  5. Step 5: Solve for x
    x = 55,091,933,132.65/270,236.04
  6. Step 6: Final answer
    x = 203,865.97

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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.