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Finding the Fourth Proportional to 163,075.82, 225,041.92 and 95,132.30

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Solution

The fourth proportional to 163,075.82, 225,041.92 and 95,132.30 is: 131,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,075.82 : 225,041.92 = 95,132.30 : x
  2. Step 2: Convert to fraction form
    163,075.82/225,041.92 = 95,132.30/x
  3. Step 3: Cross multiply
    163,075.82x = 225,041.92 × 95,132.30
  4. Step 4: Simplify right side
    163,075.82x = 21,408,753,845.14
  5. Step 5: Solve for x
    x = 21,408,753,845.14/163,075.82
  6. Step 6: Final answer
    x = 131,280.99

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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.