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Finding the Fourth Proportional to 175,903.65, 242,699.90 and 104,224.32

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Solution

The fourth proportional to 175,903.65, 242,699.90 and 104,224.32 is: 143,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,903.65 : 242,699.90 = 104,224.32 : x
  2. Step 2: Convert to fraction form
    175,903.65/242,699.90 = 104,224.32/x
  3. Step 3: Cross multiply
    175,903.65x = 242,699.90 × 104,224.32
  4. Step 4: Simplify right side
    175,903.65x = 25,295,231,520.45
  5. Step 5: Solve for x
    x = 25,295,231,520.45/175,903.65
  6. Step 6: Final answer
    x = 143,801.63

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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.