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Finding the Fourth Proportional to 141,954.73, 212,961.48 and 57,714.90

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Solution

The fourth proportional to 141,954.73, 212,961.48 and 57,714.90 is: 86,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,954.73 : 212,961.48 = 57,714.90 : x
  2. Step 2: Convert to fraction form
    141,954.73/212,961.48 = 57,714.90/x
  3. Step 3: Cross multiply
    141,954.73x = 212,961.48 × 57,714.90
  4. Step 4: Simplify right side
    141,954.73x = 12,291,051,466.20
  5. Step 5: Solve for x
    x = 12,291,051,466.20/141,954.73
  6. Step 6: Final answer
    x = 86,584.31

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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.