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Finding the Fourth Proportional to 162,384.65, 224,089.44 and 89,789.42

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Solution

The fourth proportional to 162,384.65, 224,089.44 and 89,789.42 is: 123,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384.65 : 224,089.44 = 89,789.42 : x
  2. Step 2: Convert to fraction form
    162,384.65/224,089.44 = 89,789.42/x
  3. Step 3: Cross multiply
    162,384.65x = 224,089.44 × 89,789.42
  4. Step 4: Simplify right side
    162,384.65x = 20,120,859,725.28
  5. Step 5: Solve for x
    x = 20,120,859,725.28/162,384.65
  6. Step 6: Final answer
    x = 123,908.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.