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Finding the Fourth Proportional to 373,111.86, 559,667.78 and 92,629.12

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Solution

The fourth proportional to 373,111.86, 559,667.78 and 92,629.12 is: 138,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,111.86 : 559,667.78 = 92,629.12 : x
  2. Step 2: Convert to fraction form
    373,111.86/559,667.78 = 92,629.12/x
  3. Step 3: Cross multiply
    373,111.86x = 559,667.78 × 92,629.12
  4. Step 4: Simplify right side
    373,111.86x = 51,841,533,953.75
  5. Step 5: Solve for x
    x = 51,841,533,953.75/373,111.86
  6. Step 6: Final answer
    x = 138,943.68

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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.