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Finding the Fourth Proportional to 122,360.60, 183,607.78 and 47,483.70

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Solution

The fourth proportional to 122,360.60, 183,607.78 and 47,483.70 is: 71,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,360.60 : 183,607.78 = 47,483.70 : x
  2. Step 2: Convert to fraction form
    122,360.60/183,607.78 = 47,483.70/x
  3. Step 3: Cross multiply
    122,360.60x = 183,607.78 × 47,483.70
  4. Step 4: Simplify right side
    122,360.60x = 8,718,376,743.19
  5. Step 5: Solve for x
    x = 8,718,376,743.19/122,360.60
  6. Step 6: Final answer
    x = 71,251.50

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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.