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Finding the Fourth Proportional to 162,771.28, 224,322.12 and 111,799.12

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Solution

The fourth proportional to 162,771.28, 224,322.12 and 111,799.12 is: 154,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,771.28 : 224,322.12 = 111,799.12 : x
  2. Step 2: Convert to fraction form
    162,771.28/224,322.12 = 111,799.12/x
  3. Step 3: Cross multiply
    162,771.28x = 224,322.12 × 111,799.12
  4. Step 4: Simplify right side
    162,771.28x = 25,079,015,612.53
  5. Step 5: Solve for x
    x = 25,079,015,612.53/162,771.28
  6. Step 6: Final answer
    x = 154,075.19

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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.