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Finding the Fourth Proportional to 141,975, 212,900.13 and 53,166.22

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Solution

The fourth proportional to 141,975, 212,900.13 and 53,166.22 is: 79,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,975 : 212,900.13 = 53,166.22 : x
  2. Step 2: Convert to fraction form
    141,975/212,900.13 = 53,166.22/x
  3. Step 3: Cross multiply
    141,975x = 212,900.13 × 53,166.22
  4. Step 4: Simplify right side
    141,975x = 11,319,094,617.36
  5. Step 5: Solve for x
    x = 11,319,094,617.36/141,975
  6. Step 6: Final answer
    x = 79,725.97

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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.