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Finding the Fourth Proportional to 144,104.87, 198,702.99 and 93,050.55

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Solution

The fourth proportional to 144,104.87, 198,702.99 and 93,050.55 is: 128,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,104.87 : 198,702.99 = 93,050.55 : x
  2. Step 2: Convert to fraction form
    144,104.87/198,702.99 = 93,050.55/x
  3. Step 3: Cross multiply
    144,104.87x = 198,702.99 × 93,050.55
  4. Step 4: Simplify right side
    144,104.87x = 18,489,422,506.14
  5. Step 5: Solve for x
    x = 18,489,422,506.14/144,104.87
  6. Step 6: Final answer
    x = 128,305.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.