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Finding the Fourth Proportional to 307,833.40, 461,750.10 and 108,184.60

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Solution

The fourth proportional to 307,833.40, 461,750.10 and 108,184.60 is: 162,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,833.40 : 461,750.10 = 108,184.60 : x
  2. Step 2: Convert to fraction form
    307,833.40/461,750.10 = 108,184.60/x
  3. Step 3: Cross multiply
    307,833.40x = 461,750.10 × 108,184.60
  4. Step 4: Simplify right side
    307,833.40x = 49,954,249,868.46
  5. Step 5: Solve for x
    x = 49,954,249,868.46/307,833.40
  6. Step 6: Final answer
    x = 162,276.90

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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.