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Finding the Fourth Proportional to 148,599.60, 205,064.04 and 84,933.60

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Solution

The fourth proportional to 148,599.60, 205,064.04 and 84,933.60 is: 117,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,599.60 : 205,064.04 = 84,933.60 : x
  2. Step 2: Convert to fraction form
    148,599.60/205,064.04 = 84,933.60/x
  3. Step 3: Cross multiply
    148,599.60x = 205,064.04 × 84,933.60
  4. Step 4: Simplify right side
    148,599.60x = 17,416,827,147.74
  5. Step 5: Solve for x
    x = 17,416,827,147.74/148,599.60
  6. Step 6: Final answer
    x = 117,206.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.