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Finding the Fourth Proportional to 239,389.84, 359,045.87 and 113,029.84

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Solution

The fourth proportional to 239,389.84, 359,045.87 and 113,029.84 is: 169,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,389.84 : 359,045.87 = 113,029.84 : x
  2. Step 2: Convert to fraction form
    239,389.84/359,045.87 = 113,029.84/x
  3. Step 3: Cross multiply
    239,389.84x = 359,045.87 × 113,029.84
  4. Step 4: Simplify right side
    239,389.84x = 40,582,897,238.76
  5. Step 5: Solve for x
    x = 40,582,897,238.76/239,389.84
  6. Step 6: Final answer
    x = 169,526.40

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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.