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Finding the Fourth Proportional to 79,330.60, 118,922.98 and 34,323.84

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Solution

The fourth proportional to 79,330.60, 118,922.98 and 34,323.84 is: 51,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,330.60 : 118,922.98 = 34,323.84 : x
  2. Step 2: Convert to fraction form
    79,330.60/118,922.98 = 34,323.84/x
  3. Step 3: Cross multiply
    79,330.60x = 118,922.98 × 34,323.84
  4. Step 4: Simplify right side
    79,330.60x = 4,081,893,337.84
  5. Step 5: Solve for x
    x = 4,081,893,337.84/79,330.60
  6. Step 6: Final answer
    x = 51,454.21

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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.