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Finding the Fourth Proportional to 242,169.34, 363,250.35 and 108,955.52

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Solution

The fourth proportional to 242,169.34, 363,250.35 and 108,955.52 is: 163,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,169.34 : 363,250.35 = 108,955.52 : x
  2. Step 2: Convert to fraction form
    242,169.34/363,250.35 = 108,955.52/x
  3. Step 3: Cross multiply
    242,169.34x = 363,250.35 × 108,955.52
  4. Step 4: Simplify right side
    242,169.34x = 39,578,130,774.43
  5. Step 5: Solve for x
    x = 39,578,130,774.43/242,169.34
  6. Step 6: Final answer
    x = 163,431.63

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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.