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Finding the Fourth Proportional to 219,804.16, 303,327.72 and 124,329.52

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Solution

The fourth proportional to 219,804.16, 303,327.72 and 124,329.52 is: 171,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,804.16 : 303,327.72 = 124,329.52 : x
  2. Step 2: Convert to fraction form
    219,804.16/303,327.72 = 124,329.52/x
  3. Step 3: Cross multiply
    219,804.16x = 303,327.72 × 124,329.52
  4. Step 4: Simplify right side
    219,804.16x = 37,712,589,830.29
  5. Step 5: Solve for x
    x = 37,712,589,830.29/219,804.16
  6. Step 6: Final answer
    x = 171,573.59

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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.