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Finding the Fourth Proportional to 368,142.72, 552,214.86 and 101,904

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Solution

The fourth proportional to 368,142.72, 552,214.86 and 101,904 is: 152,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,142.72 : 552,214.86 = 101,904 : x
  2. Step 2: Convert to fraction form
    368,142.72/552,214.86 = 101,904/x
  3. Step 3: Cross multiply
    368,142.72x = 552,214.86 × 101,904
  4. Step 4: Simplify right side
    368,142.72x = 56,272,903,093.44
  5. Step 5: Solve for x
    x = 56,272,903,093.44/368,142.72
  6. Step 6: Final answer
    x = 152,856.22

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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.