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Finding the Fourth Proportional to 95,437.10, 143,119.20 and 28,855.10

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Solution

The fourth proportional to 95,437.10, 143,119.20 and 28,855.10 is: 43,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,437.10 : 143,119.20 = 28,855.10 : x
  2. Step 2: Convert to fraction form
    95,437.10/143,119.20 = 28,855.10/x
  3. Step 3: Cross multiply
    95,437.10x = 143,119.20 × 28,855.10
  4. Step 4: Simplify right side
    95,437.10x = 4,129,718,827.92
  5. Step 5: Solve for x
    x = 4,129,718,827.92/95,437.10
  6. Step 6: Final answer
    x = 43,271.63

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1.5x scale

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.