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Finding the Fourth Proportional to 123,126.55, 184,695.35 and 37,731.13

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Solution

The fourth proportional to 123,126.55, 184,695.35 and 37,731.13 is: 56,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,126.55 : 184,695.35 = 37,731.13 : x
  2. Step 2: Convert to fraction form
    123,126.55/184,695.35 = 37,731.13/x
  3. Step 3: Cross multiply
    123,126.55x = 184,695.35 × 37,731.13
  4. Step 4: Simplify right side
    123,126.55x = 6,968,763,610.85
  5. Step 5: Solve for x
    x = 6,968,763,610.85/123,126.55
  6. Step 6: Final answer
    x = 56,598.38

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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.