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Finding the Fourth Proportional to 201,487.80, 301,886.10 and 96,079.80

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Solution

The fourth proportional to 201,487.80, 301,886.10 and 96,079.80 is: 143,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,487.80 : 301,886.10 = 96,079.80 : x
  2. Step 2: Convert to fraction form
    201,487.80/301,886.10 = 96,079.80/x
  3. Step 3: Cross multiply
    201,487.80x = 301,886.10 × 96,079.80
  4. Step 4: Simplify right side
    201,487.80x = 29,005,156,110.78
  5. Step 5: Solve for x
    x = 29,005,156,110.78/201,487.80
  6. Step 6: Final answer
    x = 143,954.90

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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.