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Finding the Fourth Proportional to 275,607.35, 413,215.56 and 106,985.55

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Solution

The fourth proportional to 275,607.35, 413,215.56 and 106,985.55 is: 160,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,607.35 : 413,215.56 = 106,985.55 : x
  2. Step 2: Convert to fraction form
    275,607.35/413,215.56 = 106,985.55/x
  3. Step 3: Cross multiply
    275,607.35x = 413,215.56 × 106,985.55
  4. Step 4: Simplify right side
    275,607.35x = 44,208,091,354.15
  5. Step 5: Solve for x
    x = 44,208,091,354.15/275,607.35
  6. Step 6: Final answer
    x = 160,402.44

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1.5x scale

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.