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Finding the Fourth Proportional to 225,722.66, 338,345.24 and 83,476.53

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Solution

The fourth proportional to 225,722.66, 338,345.24 and 83,476.53 is: 125,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,722.66 : 338,345.24 = 83,476.53 : x
  2. Step 2: Convert to fraction form
    225,722.66/338,345.24 = 83,476.53/x
  3. Step 3: Cross multiply
    225,722.66x = 338,345.24 × 83,476.53
  4. Step 4: Simplify right side
    225,722.66x = 28,243,886,159.83
  5. Step 5: Solve for x
    x = 28,243,886,159.83/225,722.66
  6. Step 6: Final answer
    x = 125,126.50

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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.