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Finding the Fourth Proportional to 295,271.80, 442,950.90 and 95,558.20

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Solution

The fourth proportional to 295,271.80, 442,950.90 and 95,558.20 is: 143,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,271.80 : 442,950.90 = 95,558.20 : x
  2. Step 2: Convert to fraction form
    295,271.80/442,950.90 = 95,558.20/x
  3. Step 3: Cross multiply
    295,271.80x = 442,950.90 × 95,558.20
  4. Step 4: Simplify right side
    295,271.80x = 42,327,590,692.38
  5. Step 5: Solve for x
    x = 42,327,590,692.38/295,271.80
  6. Step 6: Final answer
    x = 143,351.28

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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.