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Finding the Fourth Proportional to 162,341.96, 224,031.24 and 90,721.96

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Solution

The fourth proportional to 162,341.96, 224,031.24 and 90,721.96 is: 125,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,341.96 : 224,031.24 = 90,721.96 : x
  2. Step 2: Convert to fraction form
    162,341.96/224,031.24 = 90,721.96/x
  3. Step 3: Cross multiply
    162,341.96x = 224,031.24 × 90,721.96
  4. Step 4: Simplify right side
    162,341.96x = 20,324,552,633.95
  5. Step 5: Solve for x
    x = 20,324,552,633.95/162,341.96
  6. Step 6: Final answer
    x = 125,195.93

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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.