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Finding the Fourth Proportional to 260,269.01, 359,179.85 and 143,984.09

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Solution

The fourth proportional to 260,269.01, 359,179.85 and 143,984.09 is: 198,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,269.01 : 359,179.85 = 143,984.09 : x
  2. Step 2: Convert to fraction form
    260,269.01/359,179.85 = 143,984.09/x
  3. Step 3: Cross multiply
    260,269.01x = 359,179.85 × 143,984.09
  4. Step 4: Simplify right side
    260,269.01x = 51,716,185,106.50
  5. Step 5: Solve for x
    x = 51,716,185,106.50/260,269.01
  6. Step 6: Final answer
    x = 198,702.82

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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.