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Finding the Fourth Proportional to 84,746.08, 116,757.10 and 65,559.77

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Solution

The fourth proportional to 84,746.08, 116,757.10 and 65,559.77 is: 90,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,746.08 : 116,757.10 = 65,559.77 : x
  2. Step 2: Convert to fraction form
    84,746.08/116,757.10 = 65,559.77/x
  3. Step 3: Cross multiply
    84,746.08x = 116,757.10 × 65,559.77
  4. Step 4: Simplify right side
    84,746.08x = 7,654,568,024.91
  5. Step 5: Solve for x
    x = 7,654,568,024.91/84,746.08
  6. Step 6: Final answer
    x = 90,323.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.