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Finding the Fourth Proportional to 434,077.92, 651,217.86 and 134,542.62

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Solution

The fourth proportional to 434,077.92, 651,217.86 and 134,542.62 is: 201,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,077.92 : 651,217.86 = 134,542.62 : x
  2. Step 2: Convert to fraction form
    434,077.92/651,217.86 = 134,542.62/x
  3. Step 3: Cross multiply
    434,077.92x = 651,217.86 × 134,542.62
  4. Step 4: Simplify right side
    434,077.92x = 87,616,557,075.19
  5. Step 5: Solve for x
    x = 87,616,557,075.19/434,077.92
  6. Step 6: Final answer
    x = 201,845.23

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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.