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Finding the Fourth Proportional to 446,173.66, 669,162.09 and 130,655.17

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Solution

The fourth proportional to 446,173.66, 669,162.09 and 130,655.17 is: 195,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,173.66 : 669,162.09 = 130,655.17 : x
  2. Step 2: Convert to fraction form
    446,173.66/669,162.09 = 130,655.17/x
  3. Step 3: Cross multiply
    446,173.66x = 669,162.09 × 130,655.17
  4. Step 4: Simplify right side
    446,173.66x = 87,429,486,626.51
  5. Step 5: Solve for x
    x = 87,429,486,626.51/446,173.66
  6. Step 6: Final answer
    x = 195,953.94

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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.