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Finding the Fourth Proportional to 202,017.90, 303,354.90 and 135,751.80

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Solution

The fourth proportional to 202,017.90, 303,354.90 and 135,751.80 is: 203,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,017.90 : 303,354.90 = 135,751.80 : x
  2. Step 2: Convert to fraction form
    202,017.90/303,354.90 = 135,751.80/x
  3. Step 3: Cross multiply
    202,017.90x = 303,354.90 × 135,751.80
  4. Step 4: Simplify right side
    202,017.90x = 41,180,973,713.82
  5. Step 5: Solve for x
    x = 41,180,973,713.82/202,017.90
  6. Step 6: Final answer
    x = 203,848.14

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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.