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Finding the Fourth Proportional to 162,354.66, 224,048.07 and 90,733.86

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Solution

The fourth proportional to 162,354.66, 224,048.07 and 90,733.86 is: 125,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,354.66 : 224,048.07 = 90,733.86 : x
  2. Step 2: Convert to fraction form
    162,354.66/224,048.07 = 90,733.86/x
  3. Step 3: Cross multiply
    162,354.66x = 224,048.07 × 90,733.86
  4. Step 4: Simplify right side
    162,354.66x = 20,328,746,216.65
  5. Step 5: Solve for x
    x = 20,328,746,216.65/162,354.66
  6. Step 6: Final answer
    x = 125,211.97

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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.