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Finding the Fourth Proportional to 85,953.16, 118,613.49 and 47,710.48

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Solution

The fourth proportional to 85,953.16, 118,613.49 and 47,710.48 is: 65,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953.16 : 118,613.49 = 47,710.48 : x
  2. Step 2: Convert to fraction form
    85,953.16/118,613.49 = 47,710.48/x
  3. Step 3: Cross multiply
    85,953.16x = 118,613.49 × 47,710.48
  4. Step 4: Simplify right side
    85,953.16x = 5,659,106,542.38
  5. Step 5: Solve for x
    x = 5,659,106,542.38/85,953.16
  6. Step 6: Final answer
    x = 65,839.42

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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.