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Finding the Fourth Proportional to 146,668.42, 202,402.38 and 79,600.42

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Solution

The fourth proportional to 146,668.42, 202,402.38 and 79,600.42 is: 109,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668.42 : 202,402.38 = 79,600.42 : x
  2. Step 2: Convert to fraction form
    146,668.42/202,402.38 = 79,600.42/x
  3. Step 3: Cross multiply
    146,668.42x = 202,402.38 × 79,600.42
  4. Step 4: Simplify right side
    146,668.42x = 16,111,314,457.00
  5. Step 5: Solve for x
    x = 16,111,314,457.00/146,668.42
  6. Step 6: Final answer
    x = 109,848.56

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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.