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Finding the Fourth Proportional to 203,774.90, 305,662.35 and 56,030.90

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Solution

The fourth proportional to 203,774.90, 305,662.35 and 56,030.90 is: 84,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,774.90 : 305,662.35 = 56,030.90 : x
  2. Step 2: Convert to fraction form
    203,774.90/305,662.35 = 56,030.90/x
  3. Step 3: Cross multiply
    203,774.90x = 305,662.35 × 56,030.90
  4. Step 4: Simplify right side
    203,774.90x = 17,126,536,566.62
  5. Step 5: Solve for x
    x = 17,126,536,566.62/203,774.90
  6. Step 6: Final answer
    x = 84,046.35

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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.