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Finding the Fourth Proportional to 124,390.59, 186,452.83 and 70,967.44

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Solution

The fourth proportional to 124,390.59, 186,452.83 and 70,967.44 is: 106,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,390.59 : 186,452.83 = 70,967.44 : x
  2. Step 2: Convert to fraction form
    124,390.59/186,452.83 = 70,967.44/x
  3. Step 3: Cross multiply
    124,390.59x = 186,452.83 × 70,967.44
  4. Step 4: Simplify right side
    124,390.59x = 13,232,080,025.86
  5. Step 5: Solve for x
    x = 13,232,080,025.86/124,390.59
  6. Step 6: Final answer
    x = 106,375.25

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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.