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Finding the Fourth Proportional to 240,086.04, 360,234.64 and 127,739.84

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Solution

The fourth proportional to 240,086.04, 360,234.64 and 127,739.84 is: 191,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,086.04 : 360,234.64 = 127,739.84 : x
  2. Step 2: Convert to fraction form
    240,086.04/360,234.64 = 127,739.84/x
  3. Step 3: Cross multiply
    240,086.04x = 360,234.64 × 127,739.84
  4. Step 4: Simplify right side
    240,086.04x = 46,016,315,276.06
  5. Step 5: Solve for x
    x = 46,016,315,276.06/240,086.04
  6. Step 6: Final answer
    x = 191,665.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.