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Finding the Fourth Proportional to 240,071.04, 360,212.13 and 127,724.85

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Solution

The fourth proportional to 240,071.04, 360,212.13 and 127,724.85 is: 191,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,071.04 : 360,212.13 = 127,724.85 : x
  2. Step 2: Convert to fraction form
    240,071.04/360,212.13 = 127,724.85/x
  3. Step 3: Cross multiply
    240,071.04x = 360,212.13 × 127,724.85
  4. Step 4: Simplify right side
    240,071.04x = 46,008,040,272.43
  5. Step 5: Solve for x
    x = 46,008,040,272.43/240,071.04
  6. Step 6: Final answer
    x = 191,643.44

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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.