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Finding the Fourth Proportional to 159,041.56, 238,563.36 and 46,721.32

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Solution

The fourth proportional to 159,041.56, 238,563.36 and 46,721.32 is: 70,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,041.56 : 238,563.36 = 46,721.32 : x
  2. Step 2: Convert to fraction form
    159,041.56/238,563.36 = 46,721.32/x
  3. Step 3: Cross multiply
    159,041.56x = 238,563.36 × 46,721.32
  4. Step 4: Simplify right side
    159,041.56x = 11,145,995,082.84
  5. Step 5: Solve for x
    x = 11,145,995,082.84/159,041.56
  6. Step 6: Final answer
    x = 70,082.28

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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.