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Finding the Fourth Proportional to 367,860.60, 551,728.63 and 101,621.89

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Solution

The fourth proportional to 367,860.60, 551,728.63 and 101,621.89 is: 152,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,860.60 : 551,728.63 = 101,621.89 : x
  2. Step 2: Convert to fraction form
    367,860.60/551,728.63 = 101,621.89/x
  3. Step 3: Cross multiply
    367,860.60x = 551,728.63 × 101,621.89
  4. Step 4: Simplify right side
    367,860.60x = 56,067,706,964.40
  5. Step 5: Solve for x
    x = 56,067,706,964.40/367,860.60
  6. Step 6: Final answer
    x = 152,415.64

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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.