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Finding the Fourth Proportional to 368,180.90, 552,272.70 and 112,015.98

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Solution

The fourth proportional to 368,180.90, 552,272.70 and 112,015.98 is: 168,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,180.90 : 552,272.70 = 112,015.98 : x
  2. Step 2: Convert to fraction form
    368,180.90/552,272.70 = 112,015.98/x
  3. Step 3: Cross multiply
    368,180.90x = 552,272.70 × 112,015.98
  4. Step 4: Simplify right side
    368,180.90x = 61,863,367,717.75
  5. Step 5: Solve for x
    x = 61,863,367,717.75/368,180.90
  6. Step 6: Final answer
    x = 168,024.38

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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.