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Finding the Fourth Proportional to 201,203.80, 301,805.70 and 60,969.40

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Solution

The fourth proportional to 201,203.80, 301,805.70 and 60,969.40 is: 91,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,203.80 : 301,805.70 = 60,969.40 : x
  2. Step 2: Convert to fraction form
    201,203.80/301,805.70 = 60,969.40/x
  3. Step 3: Cross multiply
    201,203.80x = 301,805.70 × 60,969.40
  4. Step 4: Simplify right side
    201,203.80x = 18,400,912,445.58
  5. Step 5: Solve for x
    x = 18,400,912,445.58/201,203.80
  6. Step 6: Final answer
    x = 91,454.10

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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.