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Finding the Fourth Proportional to 167,357.37, 250,959.51 and 99,920.01

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Solution

The fourth proportional to 167,357.37, 250,959.51 and 99,920.01 is: 149,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,357.37 : 250,959.51 = 99,920.01 : x
  2. Step 2: Convert to fraction form
    167,357.37/250,959.51 = 99,920.01/x
  3. Step 3: Cross multiply
    167,357.37x = 250,959.51 × 99,920.01
  4. Step 4: Simplify right side
    167,357.37x = 25,075,876,748.80
  5. Step 5: Solve for x
    x = 25,075,876,748.80/167,357.37
  6. Step 6: Final answer
    x = 149,834.31

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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.