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Finding the Fourth Proportional to 141,394.84, 212,092.26 and 57,192.28

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Solution

The fourth proportional to 141,394.84, 212,092.26 and 57,192.28 is: 85,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,394.84 : 212,092.26 = 57,192.28 : x
  2. Step 2: Convert to fraction form
    141,394.84/212,092.26 = 57,192.28/x
  3. Step 3: Cross multiply
    141,394.84x = 212,092.26 × 57,192.28
  4. Step 4: Simplify right side
    141,394.84x = 12,130,039,919.75
  5. Step 5: Solve for x
    x = 12,130,039,919.75/141,394.84
  6. Step 6: Final answer
    x = 85,788.42

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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.