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Finding the Fourth Proportional to 180,801.90, 271,207.65 and 56,145.90

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Solution

The fourth proportional to 180,801.90, 271,207.65 and 56,145.90 is: 84,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,801.90 : 271,207.65 = 56,145.90 : x
  2. Step 2: Convert to fraction form
    180,801.90/271,207.65 = 56,145.90/x
  3. Step 3: Cross multiply
    180,801.90x = 271,207.65 × 56,145.90
  4. Step 4: Simplify right side
    180,801.90x = 15,227,197,596.14
  5. Step 5: Solve for x
    x = 15,227,197,596.14/180,801.90
  6. Step 6: Final answer
    x = 84,220.34

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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.