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Finding the Fourth Proportional to 239,730.99, 359,502.93 and 89,889.54

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Solution

The fourth proportional to 239,730.99, 359,502.93 and 89,889.54 is: 134,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,730.99 : 359,502.93 = 89,889.54 : x
  2. Step 2: Convert to fraction form
    239,730.99/359,502.93 = 89,889.54/x
  3. Step 3: Cross multiply
    239,730.99x = 359,502.93 × 89,889.54
  4. Step 4: Simplify right side
    239,730.99x = 32,315,553,006.35
  5. Step 5: Solve for x
    x = 32,315,553,006.35/239,730.99
  6. Step 6: Final answer
    x = 134,799.23

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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.