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Finding the Fourth Proportional to 205,180.60, 307,799.70 and 64,924.60

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Solution

The fourth proportional to 205,180.60, 307,799.70 and 64,924.60 is: 97,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,180.60 : 307,799.70 = 64,924.60 : x
  2. Step 2: Convert to fraction form
    205,180.60/307,799.70 = 64,924.60/x
  3. Step 3: Cross multiply
    205,180.60x = 307,799.70 × 64,924.60
  4. Step 4: Simplify right side
    205,180.60x = 19,983,772,402.62
  5. Step 5: Solve for x
    x = 19,983,772,402.62/205,180.60
  6. Step 6: Final answer
    x = 97,396.01

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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.