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Finding the Fourth Proportional to 196,999.53, 295,524.83 and 90,357.76

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Solution

The fourth proportional to 196,999.53, 295,524.83 and 90,357.76 is: 135,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,999.53 : 295,524.83 = 90,357.76 : x
  2. Step 2: Convert to fraction form
    196,999.53/295,524.83 = 90,357.76/x
  3. Step 3: Cross multiply
    196,999.53x = 295,524.83 × 90,357.76
  4. Step 4: Simplify right side
    196,999.53x = 26,702,961,663.18
  5. Step 5: Solve for x
    x = 26,702,961,663.18/196,999.53
  6. Step 6: Final answer
    x = 135,548.35

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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.