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Finding the Fourth Proportional to 242,068.88, 363,103.32 and 73,588.88

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Solution

The fourth proportional to 242,068.88, 363,103.32 and 73,588.88 is: 110,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,068.88 : 363,103.32 = 73,588.88 : x
  2. Step 2: Convert to fraction form
    242,068.88/363,103.32 = 73,588.88/x
  3. Step 3: Cross multiply
    242,068.88x = 363,103.32 × 73,588.88
  4. Step 4: Simplify right side
    242,068.88x = 26,720,366,643.08
  5. Step 5: Solve for x
    x = 26,720,366,643.08/242,068.88
  6. Step 6: Final answer
    x = 110,383.32

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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.