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Finding the Fourth Proportional to 239,389.34, 359,045.12 and 113,029.34

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Solution

The fourth proportional to 239,389.34, 359,045.12 and 113,029.34 is: 169,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,389.34 : 359,045.12 = 113,029.34 : x
  2. Step 2: Convert to fraction form
    239,389.34/359,045.12 = 113,029.34/x
  3. Step 3: Cross multiply
    239,389.34x = 359,045.12 × 113,029.34
  4. Step 4: Simplify right side
    239,389.34x = 40,582,632,943.82
  5. Step 5: Solve for x
    x = 40,582,632,943.82/239,389.34
  6. Step 6: Final answer
    x = 169,525.65

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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.