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Finding the Fourth Proportional to 170,174.78, 255,279.63 and 65,082.14

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Solution

The fourth proportional to 170,174.78, 255,279.63 and 65,082.14 is: 97,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,174.78 : 255,279.63 = 65,082.14 : x
  2. Step 2: Convert to fraction form
    170,174.78/255,279.63 = 65,082.14/x
  3. Step 3: Cross multiply
    170,174.78x = 255,279.63 × 65,082.14
  4. Step 4: Simplify right side
    170,174.78x = 16,614,144,618.81
  5. Step 5: Solve for x
    x = 16,614,144,618.81/170,174.78
  6. Step 6: Final answer
    x = 97,629.89

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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.