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Finding the Fourth Proportional to 141,653.36, 212,430.52 and 41,787.05

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Solution

The fourth proportional to 141,653.36, 212,430.52 and 41,787.05 is: 62,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,653.36 : 212,430.52 = 41,787.05 : x
  2. Step 2: Convert to fraction form
    141,653.36/212,430.52 = 41,787.05/x
  3. Step 3: Cross multiply
    141,653.36x = 212,430.52 × 41,787.05
  4. Step 4: Simplify right side
    141,653.36x = 8,876,843,489.68
  5. Step 5: Solve for x
    x = 8,876,843,489.68/141,653.36
  6. Step 6: Final answer
    x = 62,665.96

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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.