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Finding the Fourth Proportional to 368,147.79, 552,160.17 and 101,935.22

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Solution

The fourth proportional to 368,147.79, 552,160.17 and 101,935.22 is: 152,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,147.79 : 552,160.17 = 101,935.22 : x
  2. Step 2: Convert to fraction form
    368,147.79/552,160.17 = 101,935.22/x
  3. Step 3: Cross multiply
    368,147.79x = 552,160.17 × 101,935.22
  4. Step 4: Simplify right side
    368,147.79x = 56,284,565,643.39
  5. Step 5: Solve for x
    x = 56,284,565,643.39/368,147.79
  6. Step 6: Final answer
    x = 152,885.79

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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.