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Finding the Fourth Proportional to 123,801.86, 170,857.14 and 70,096.34

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Solution

The fourth proportional to 123,801.86, 170,857.14 and 70,096.34 is: 96,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,801.86 : 170,857.14 = 70,096.34 : x
  2. Step 2: Convert to fraction form
    123,801.86/170,857.14 = 70,096.34/x
  3. Step 3: Cross multiply
    123,801.86x = 170,857.14 × 70,096.34
  4. Step 4: Simplify right side
    123,801.86x = 11,976,460,176.87
  5. Step 5: Solve for x
    x = 11,976,460,176.87/123,801.86
  6. Step 6: Final answer
    x = 96,738.94

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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.