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Finding the Fourth Proportional to 122,702.50, 184,096.95 and 60,416.74

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Solution

The fourth proportional to 122,702.50, 184,096.95 and 60,416.74 is: 90,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,702.50 : 184,096.95 = 60,416.74 : x
  2. Step 2: Convert to fraction form
    122,702.50/184,096.95 = 60,416.74/x
  3. Step 3: Cross multiply
    122,702.50x = 184,096.95 × 60,416.74
  4. Step 4: Simplify right side
    122,702.50x = 11,122,537,562.94
  5. Step 5: Solve for x
    x = 11,122,537,562.94/122,702.50
  6. Step 6: Final answer
    x = 90,646.38

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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.