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Finding the Fourth Proportional to 242,164.28, 363,246.71 and 115,774.80

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Solution

The fourth proportional to 242,164.28, 363,246.71 and 115,774.80 is: 173,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,164.28 : 363,246.71 = 115,774.80 : x
  2. Step 2: Convert to fraction form
    242,164.28/363,246.71 = 115,774.80/x
  3. Step 3: Cross multiply
    242,164.28x = 363,246.71 × 115,774.80
  4. Step 4: Simplify right side
    242,164.28x = 42,054,814,622.03
  5. Step 5: Solve for x
    x = 42,054,814,622.03/242,164.28
  6. Step 6: Final answer
    x = 173,662.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.