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Finding the Fourth Proportional to 267,669.52, 369,390.72 and 151,373.68

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Solution

The fourth proportional to 267,669.52, 369,390.72 and 151,373.68 is: 208,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,669.52 : 369,390.72 = 151,373.68 : x
  2. Step 2: Convert to fraction form
    267,669.52/369,390.72 = 151,373.68/x
  3. Step 3: Cross multiply
    267,669.52x = 369,390.72 × 151,373.68
  4. Step 4: Simplify right side
    267,669.52x = 55,916,032,644.25
  5. Step 5: Solve for x
    x = 55,916,032,644.25/267,669.52
  6. Step 6: Final answer
    x = 208,899.51

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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.