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Finding the Fourth Proportional to 219,764.61, 303,303.15 and 124,269.26

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Solution

The fourth proportional to 219,764.61, 303,303.15 and 124,269.26 is: 171,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,764.61 : 303,303.15 = 124,269.26 : x
  2. Step 2: Convert to fraction form
    219,764.61/303,303.15 = 124,269.26/x
  3. Step 3: Cross multiply
    219,764.61x = 303,303.15 × 124,269.26
  4. Step 4: Simplify right side
    219,764.61x = 37,691,256,489.65
  5. Step 5: Solve for x
    x = 37,691,256,489.65/219,764.61
  6. Step 6: Final answer
    x = 171,507.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.