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Finding the Fourth Proportional to 441,074.08, 661,636.14 and 125,506

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Solution

The fourth proportional to 441,074.08, 661,636.14 and 125,506 is: 188,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,074.08 : 661,636.14 = 125,506 : x
  2. Step 2: Convert to fraction form
    441,074.08/661,636.14 = 125,506/x
  3. Step 3: Cross multiply
    441,074.08x = 661,636.14 × 125,506
  4. Step 4: Simplify right side
    441,074.08x = 83,039,305,386.84
  5. Step 5: Solve for x
    x = 83,039,305,386.84/441,074.08
  6. Step 6: Final answer
    x = 188,266.12

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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.