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Finding the Fourth Proportional to 177,603, 266,535.99 and 84,109.02

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Solution

The fourth proportional to 177,603, 266,535.99 and 84,109.02 is: 126,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,603 : 266,535.99 = 84,109.02 : x
  2. Step 2: Convert to fraction form
    177,603/266,535.99 = 84,109.02/x
  3. Step 3: Cross multiply
    177,603x = 266,535.99 × 84,109.02
  4. Step 4: Simplify right side
    177,603x = 22,418,080,913.63
  5. Step 5: Solve for x
    x = 22,418,080,913.63/177,603
  6. Step 6: Final answer
    x = 126,225.80

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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.