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Finding the Fourth Proportional to 302,082.56, 453,094.56 and 91,722.32

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Solution

The fourth proportional to 302,082.56, 453,094.56 and 91,722.32 is: 137,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,082.56 : 453,094.56 = 91,722.32 : x
  2. Step 2: Convert to fraction form
    302,082.56/453,094.56 = 91,722.32/x
  3. Step 3: Cross multiply
    302,082.56x = 453,094.56 × 91,722.32
  4. Step 4: Simplify right side
    302,082.56x = 41,558,884,222.58
  5. Step 5: Solve for x
    x = 41,558,884,222.58/302,082.56
  6. Step 6: Final answer
    x = 137,574.59

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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.