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Finding the Fourth Proportional to 104,638.92, 157,004.78 and 59,658.63

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Solution

The fourth proportional to 104,638.92, 157,004.78 and 59,658.63 is: 89,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.92 : 157,004.78 = 59,658.63 : x
  2. Step 2: Convert to fraction form
    104,638.92/157,004.78 = 59,658.63/x
  3. Step 3: Cross multiply
    104,638.92x = 157,004.78 × 59,658.63
  4. Step 4: Simplify right side
    104,638.92x = 9,366,690,078.25
  5. Step 5: Solve for x
    x = 9,366,690,078.25/104,638.92
  6. Step 6: Final answer
    x = 89,514.40

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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.