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Finding the Fourth Proportional to 73,505.09, 101,445.20 and 41,245.01

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Solution

The fourth proportional to 73,505.09, 101,445.20 and 41,245.01 is: 56,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,505.09 : 101,445.20 = 41,245.01 : x
  2. Step 2: Convert to fraction form
    73,505.09/101,445.20 = 41,245.01/x
  3. Step 3: Cross multiply
    73,505.09x = 101,445.20 × 41,245.01
  4. Step 4: Simplify right side
    73,505.09x = 4,184,108,082.23
  5. Step 5: Solve for x
    x = 4,184,108,082.23/73,505.09
  6. Step 6: Final answer
    x = 56,922.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.