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Finding the Fourth Proportional to 129,968.70, 194,953.07 and 46,862.70

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Solution

The fourth proportional to 129,968.70, 194,953.07 and 46,862.70 is: 70,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.70 : 194,953.07 = 46,862.70 : x
  2. Step 2: Convert to fraction form
    129,968.70/194,953.07 = 46,862.70/x
  3. Step 3: Cross multiply
    129,968.70x = 194,953.07 × 46,862.70
  4. Step 4: Simplify right side
    129,968.70x = 9,136,027,233.49
  5. Step 5: Solve for x
    x = 9,136,027,233.49/129,968.70
  6. Step 6: Final answer
    x = 70,294.06

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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.