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Finding the Fourth Proportional to 201,758.88, 300,256.56 and 195,031.80

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Solution

The fourth proportional to 201,758.88, 300,256.56 and 195,031.80 is: 290,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,758.88 : 300,256.56 = 195,031.80 : x
  2. Step 2: Convert to fraction form
    201,758.88/300,256.56 = 195,031.80/x
  3. Step 3: Cross multiply
    201,758.88x = 300,256.56 × 195,031.80
  4. Step 4: Simplify right side
    201,758.88x = 58,559,577,358.61
  5. Step 5: Solve for x
    x = 58,559,577,358.61/201,758.88
  6. Step 6: Final answer
    x = 290,245.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.