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Finding the Fourth Proportional to 162,341.01, 224,029.94 and 90,721.01

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Solution

The fourth proportional to 162,341.01, 224,029.94 and 90,721.01 is: 125,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,341.01 : 224,029.94 = 90,721.01 : x
  2. Step 2: Convert to fraction form
    162,341.01/224,029.94 = 90,721.01/x
  3. Step 3: Cross multiply
    162,341.01x = 224,029.94 × 90,721.01
  4. Step 4: Simplify right side
    162,341.01x = 20,324,223,213.92
  5. Step 5: Solve for x
    x = 20,324,223,213.92/162,341.01
  6. Step 6: Final answer
    x = 125,194.63

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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.