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Finding the Fourth Proportional to 218,904.60, 327,627.90 and 158,762.10

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Solution

The fourth proportional to 218,904.60, 327,627.90 and 158,762.10 is: 237,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,904.60 : 327,627.90 = 158,762.10 : x
  2. Step 2: Convert to fraction form
    218,904.60/327,627.90 = 158,762.10/x
  3. Step 3: Cross multiply
    218,904.60x = 327,627.90 × 158,762.10
  4. Step 4: Simplify right side
    218,904.60x = 52,014,893,422.59
  5. Step 5: Solve for x
    x = 52,014,893,422.59/218,904.60
  6. Step 6: Final answer
    x = 237,614.44

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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.