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Finding the Fourth Proportional to 367,627.87, 551,444.51 and 101,403.55

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Solution

The fourth proportional to 367,627.87, 551,444.51 and 101,403.55 is: 152,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,627.87 : 551,444.51 = 101,403.55 : x
  2. Step 2: Convert to fraction form
    367,627.87/551,444.51 = 101,403.55/x
  3. Step 3: Cross multiply
    367,627.87x = 551,444.51 × 101,403.55
  4. Step 4: Simplify right side
    367,627.87x = 55,918,430,942.01
  5. Step 5: Solve for x
    x = 55,918,430,942.01/367,627.87
  6. Step 6: Final answer
    x = 152,106.07

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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.