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Finding the Fourth Proportional to 239,060.28, 358,532.10 and 98,859

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Solution

The fourth proportional to 239,060.28, 358,532.10 and 98,859 is: 148,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,060.28 : 358,532.10 = 98,859 : x
  2. Step 2: Convert to fraction form
    239,060.28/358,532.10 = 98,859/x
  3. Step 3: Cross multiply
    239,060.28x = 358,532.10 × 98,859
  4. Step 4: Simplify right side
    239,060.28x = 35,444,124,873.90
  5. Step 5: Solve for x
    x = 35,444,124,873.90/239,060.28
  6. Step 6: Final answer
    x = 148,264.38

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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.