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Finding the Fourth Proportional to 307,045.55, 460,638.43 and 93,843.81

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Solution

The fourth proportional to 307,045.55, 460,638.43 and 93,843.81 is: 140,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,045.55 : 460,638.43 = 93,843.81 : x
  2. Step 2: Convert to fraction form
    307,045.55/460,638.43 = 93,843.81/x
  3. Step 3: Cross multiply
    307,045.55x = 460,638.43 × 93,843.81
  4. Step 4: Simplify right side
    307,045.55x = 43,228,065,069.01
  5. Step 5: Solve for x
    x = 43,228,065,069.01/307,045.55
  6. Step 6: Final answer
    x = 140,787.14

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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.