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Finding the Fourth Proportional to 200,261.80, 301,048.80 and 141,504.40

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Solution

The fourth proportional to 200,261.80, 301,048.80 and 141,504.40 is: 212,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,261.80 : 301,048.80 = 141,504.40 : x
  2. Step 2: Convert to fraction form
    200,261.80/301,048.80 = 141,504.40/x
  3. Step 3: Cross multiply
    200,261.80x = 301,048.80 × 141,504.40
  4. Step 4: Simplify right side
    200,261.80x = 42,599,729,814.72
  5. Step 5: Solve for x
    x = 42,599,729,814.72/200,261.80
  6. Step 6: Final answer
    x = 212,720.20

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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.