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Finding the Fourth Proportional to 175,662.95, 263,455.02 and 80,802.03

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Solution

The fourth proportional to 175,662.95, 263,455.02 and 80,802.03 is: 121,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,662.95 : 263,455.02 = 80,802.03 : x
  2. Step 2: Convert to fraction form
    175,662.95/263,455.02 = 80,802.03/x
  3. Step 3: Cross multiply
    175,662.95x = 263,455.02 × 80,802.03
  4. Step 4: Simplify right side
    175,662.95x = 21,287,700,429.69
  5. Step 5: Solve for x
    x = 21,287,700,429.69/175,662.95
  6. Step 6: Final answer
    x = 121,184.92

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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.