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Finding the Fourth Proportional to 124,476,643.60, 186,491,016.60 and 106,560,739.60

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Solution

The fourth proportional to 124,476,643.60, 186,491,016.60 and 106,560,739.60 is: 159,649,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,476,643.60 : 186,491,016.60 = 106,560,739.60 : x
  2. Step 2: Convert to fraction form
    124,476,643.60/186,491,016.60 = 106,560,739.60/x
  3. Step 3: Cross multiply
    124,476,643.60x = 186,491,016.60 × 106,560,739.60
  4. Step 4: Simplify right side
    124,476,643.60x = 19,872,620,657,651,876
  5. Step 5: Solve for x
    x = 19,872,620,657,651,876/124,476,643.60
  6. Step 6: Final answer
    x = 159,649,393.52

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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.