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Finding the Fourth Proportional to 122,658.52, 184,058.67 and 51,575.50

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Solution

The fourth proportional to 122,658.52, 184,058.67 and 51,575.50 is: 77,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,658.52 : 184,058.67 = 51,575.50 : x
  2. Step 2: Convert to fraction form
    122,658.52/184,058.67 = 51,575.50/x
  3. Step 3: Cross multiply
    122,658.52x = 184,058.67 × 51,575.50
  4. Step 4: Simplify right side
    122,658.52x = 9,492,917,934.59
  5. Step 5: Solve for x
    x = 9,492,917,934.59/122,658.52
  6. Step 6: Final answer
    x = 77,393.06

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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.