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Finding the Fourth Proportional to 240,136.95, 360,267.65 and 127,724.65

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Solution

The fourth proportional to 240,136.95, 360,267.65 and 127,724.65 is: 191,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,136.95 : 360,267.65 = 127,724.65 : x
  2. Step 2: Convert to fraction form
    240,136.95/360,267.65 = 127,724.65/x
  3. Step 3: Cross multiply
    240,136.95x = 360,267.65 × 127,724.65
  4. Step 4: Simplify right side
    240,136.95x = 46,015,058,442.25
  5. Step 5: Solve for x
    x = 46,015,058,442.25/240,136.95
  6. Step 6: Final answer
    x = 191,620.06

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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.