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Finding the Fourth Proportional to 372,684.60, 558,948.60 and 119,987.64

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Solution

The fourth proportional to 372,684.60, 558,948.60 and 119,987.64 is: 179,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,684.60 : 558,948.60 = 119,987.64 : x
  2. Step 2: Convert to fraction form
    372,684.60/558,948.60 = 119,987.64/x
  3. Step 3: Cross multiply
    372,684.60x = 558,948.60 × 119,987.64
  4. Step 4: Simplify right side
    372,684.60x = 67,066,923,395.30
  5. Step 5: Solve for x
    x = 67,066,923,395.30/372,684.60
  6. Step 6: Final answer
    x = 179,956.25

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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.