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Finding the Fourth Proportional to 368,108.91, 552,175.70 and 101,847.15

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Solution

The fourth proportional to 368,108.91, 552,175.70 and 101,847.15 is: 152,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,108.91 : 552,175.70 = 101,847.15 : x
  2. Step 2: Convert to fraction form
    368,108.91/552,175.70 = 101,847.15/x
  3. Step 3: Cross multiply
    368,108.91x = 552,175.70 × 101,847.15
  4. Step 4: Simplify right side
    368,108.91x = 56,237,520,835.02
  5. Step 5: Solve for x
    x = 56,237,520,835.02/368,108.91
  6. Step 6: Final answer
    x = 152,774.14

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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.