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Finding the Fourth Proportional to 141,640.68, 212,461.04 and 46,845.42

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Solution

The fourth proportional to 141,640.68, 212,461.04 and 46,845.42 is: 70,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,640.68 : 212,461.04 = 46,845.42 : x
  2. Step 2: Convert to fraction form
    141,640.68/212,461.04 = 46,845.42/x
  3. Step 3: Cross multiply
    141,640.68x = 212,461.04 × 46,845.42
  4. Step 4: Simplify right side
    141,640.68x = 9,952,826,652.44
  5. Step 5: Solve for x
    x = 9,952,826,652.44/141,640.68
  6. Step 6: Final answer
    x = 70,268.14

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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.