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Finding the Fourth Proportional to 302,179.77, 453,274.88 and 102,505.32

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Solution

The fourth proportional to 302,179.77, 453,274.88 and 102,505.32 is: 153,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,179.77 : 453,274.88 = 102,505.32 : x
  2. Step 2: Convert to fraction form
    302,179.77/453,274.88 = 102,505.32/x
  3. Step 3: Cross multiply
    302,179.77x = 453,274.88 × 102,505.32
  4. Step 4: Simplify right side
    302,179.77x = 46,463,086,109.84
  5. Step 5: Solve for x
    x = 46,463,086,109.84/302,179.77
  6. Step 6: Final answer
    x = 153,759.75

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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.