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Finding the Fourth Proportional to 544,166.22, 816,246.76 and 139,357.64

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Solution

The fourth proportional to 544,166.22, 816,246.76 and 139,357.64 is: 209,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,166.22 : 816,246.76 = 139,357.64 : x
  2. Step 2: Convert to fraction form
    544,166.22/816,246.76 = 139,357.64/x
  3. Step 3: Cross multiply
    544,166.22x = 816,246.76 × 139,357.64
  4. Step 4: Simplify right side
    544,166.22x = 113,750,221,434.46
  5. Step 5: Solve for x
    x = 113,750,221,434.46/544,166.22
  6. Step 6: Final answer
    x = 209,035.80

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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.