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Finding the Fourth Proportional to 202,466.10, 303,699.15 and 142,104.90

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Solution

The fourth proportional to 202,466.10, 303,699.15 and 142,104.90 is: 213,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,466.10 : 303,699.15 = 142,104.90 : x
  2. Step 2: Convert to fraction form
    202,466.10/303,699.15 = 142,104.90/x
  3. Step 3: Cross multiply
    202,466.10x = 303,699.15 × 142,104.90
  4. Step 4: Simplify right side
    202,466.10x = 43,157,137,340.84
  5. Step 5: Solve for x
    x = 43,157,137,340.84/202,466.10
  6. Step 6: Final answer
    x = 213,157.35

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1.5x scale

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.