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Finding the Fourth Proportional to 253,846.08, 380,644.32 and 104,045.52

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Solution

The fourth proportional to 253,846.08, 380,644.32 and 104,045.52 is: 156,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,846.08 : 380,644.32 = 104,045.52 : x
  2. Step 2: Convert to fraction form
    253,846.08/380,644.32 = 104,045.52/x
  3. Step 3: Cross multiply
    253,846.08x = 380,644.32 × 104,045.52
  4. Step 4: Simplify right side
    253,846.08x = 39,604,336,209.45
  5. Step 5: Solve for x
    x = 39,604,336,209.45/253,846.08
  6. Step 6: Final answer
    x = 156,017.13

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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.