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Finding the Fourth Proportional to 147,190.20, 220,814.10 and 62,950.20

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Solution

The fourth proportional to 147,190.20, 220,814.10 and 62,950.20 is: 94,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,190.20 : 220,814.10 = 62,950.20 : x
  2. Step 2: Convert to fraction form
    147,190.20/220,814.10 = 62,950.20/x
  3. Step 3: Cross multiply
    147,190.20x = 220,814.10 × 62,950.20
  4. Step 4: Simplify right side
    147,190.20x = 13,900,291,757.82
  5. Step 5: Solve for x
    x = 13,900,291,757.82/147,190.20
  6. Step 6: Final answer
    x = 94,437.62

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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.