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Finding the Fourth Proportional to 133,479.70, 200,160.50 and 39,968.02

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Solution

The fourth proportional to 133,479.70, 200,160.50 and 39,968.02 is: 59,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,479.70 : 200,160.50 = 39,968.02 : x
  2. Step 2: Convert to fraction form
    133,479.70/200,160.50 = 39,968.02/x
  3. Step 3: Cross multiply
    133,479.70x = 200,160.50 × 39,968.02
  4. Step 4: Simplify right side
    133,479.70x = 8,000,018,867.21
  5. Step 5: Solve for x
    x = 8,000,018,867.21/133,479.70
  6. Step 6: Final answer
    x = 59,934.35

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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.