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Finding the Fourth Proportional to 150,075.62, 225,030.35 and 61,391.42

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Solution

The fourth proportional to 150,075.62, 225,030.35 and 61,391.42 is: 92,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,075.62 : 225,030.35 = 61,391.42 : x
  2. Step 2: Convert to fraction form
    150,075.62/225,030.35 = 61,391.42/x
  3. Step 3: Cross multiply
    150,075.62x = 225,030.35 × 61,391.42
  4. Step 4: Simplify right side
    150,075.62x = 13,814,932,601.79
  5. Step 5: Solve for x
    x = 13,814,932,601.79/150,075.62
  6. Step 6: Final answer
    x = 92,053.14

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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.