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Finding the Fourth Proportional to 122,311.30, 183,466.95 and 52,327.30

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Solution

The fourth proportional to 122,311.30, 183,466.95 and 52,327.30 is: 78,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,311.30 : 183,466.95 = 52,327.30 : x
  2. Step 2: Convert to fraction form
    122,311.30/183,466.95 = 52,327.30/x
  3. Step 3: Cross multiply
    122,311.30x = 183,466.95 × 52,327.30
  4. Step 4: Simplify right side
    122,311.30x = 9,600,330,132.74
  5. Step 5: Solve for x
    x = 9,600,330,132.74/122,311.30
  6. Step 6: Final answer
    x = 78,490.95

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1.5x scale

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.