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Finding the Fourth Proportional to 240,395.65, 360,770.64 and 114,036.28

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Solution

The fourth proportional to 240,395.65, 360,770.64 and 114,036.28 is: 171,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,395.65 : 360,770.64 = 114,036.28 : x
  2. Step 2: Convert to fraction form
    240,395.65/360,770.64 = 114,036.28/x
  3. Step 3: Cross multiply
    240,395.65x = 360,770.64 × 114,036.28
  4. Step 4: Simplify right side
    240,395.65x = 41,140,941,718.82
  5. Step 5: Solve for x
    x = 41,140,941,718.82/240,395.65
  6. Step 6: Final answer
    x = 171,138.46

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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.