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Finding the Fourth Proportional to 239,367.92, 358,941.51 and 70,827.98

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Solution

The fourth proportional to 239,367.92, 358,941.51 and 70,827.98 is: 106,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,367.92 : 358,941.51 = 70,827.98 : x
  2. Step 2: Convert to fraction form
    239,367.92/358,941.51 = 70,827.98/x
  3. Step 3: Cross multiply
    239,367.92x = 358,941.51 × 70,827.98
  4. Step 4: Simplify right side
    239,367.92x = 25,423,100,296.74
  5. Step 5: Solve for x
    x = 25,423,100,296.74/239,367.92
  6. Step 6: Final answer
    x = 106,209.31

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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.