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Finding the Fourth Proportional to 325,156.19, 487,889.81 and 114,893.15

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Solution

The fourth proportional to 325,156.19, 487,889.81 and 114,893.15 is: 172,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,156.19 : 487,889.81 = 114,893.15 : x
  2. Step 2: Convert to fraction form
    325,156.19/487,889.81 = 114,893.15/x
  3. Step 3: Cross multiply
    325,156.19x = 487,889.81 × 114,893.15
  4. Step 4: Simplify right side
    325,156.19x = 56,055,196,549.34
  5. Step 5: Solve for x
    x = 56,055,196,549.34/325,156.19
  6. Step 6: Final answer
    x = 172,394.68

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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.