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Finding the Fourth Proportional to 162,348.30, 224,021.70 and 101,914.20

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Solution

The fourth proportional to 162,348.30, 224,021.70 and 101,914.20 is: 140,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,348.30 : 224,021.70 = 101,914.20 : x
  2. Step 2: Convert to fraction form
    162,348.30/224,021.70 = 101,914.20/x
  3. Step 3: Cross multiply
    162,348.30x = 224,021.70 × 101,914.20
  4. Step 4: Simplify right side
    162,348.30x = 22,830,992,338.14
  5. Step 5: Solve for x
    x = 22,830,992,338.14/162,348.30
  6. Step 6: Final answer
    x = 140,629.70

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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.