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Finding the Fourth Proportional to 446,172.66, 669,160.59 and 130,654.17

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Solution

The fourth proportional to 446,172.66, 669,160.59 and 130,654.17 is: 195,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,172.66 : 669,160.59 = 130,654.17 : x
  2. Step 2: Convert to fraction form
    446,172.66/669,160.59 = 130,654.17/x
  3. Step 3: Cross multiply
    446,172.66x = 669,160.59 × 130,654.17
  4. Step 4: Simplify right side
    446,172.66x = 87,428,621,483.16
  5. Step 5: Solve for x
    x = 87,428,621,483.16/446,172.66
  6. Step 6: Final answer
    x = 195,952.44

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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.