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Finding the Fourth Proportional to 146,668.57, 202,402.71 and 79,600.57

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Solution

The fourth proportional to 146,668.57, 202,402.71 and 79,600.57 is: 109,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,668.57 : 202,402.71 = 79,600.57 : x
  2. Step 2: Convert to fraction form
    146,668.57/202,402.71 = 79,600.57/x
  3. Step 3: Cross multiply
    146,668.57x = 202,402.71 × 79,600.57
  4. Step 4: Simplify right side
    146,668.57x = 16,111,369,675.53
  5. Step 5: Solve for x
    x = 16,111,369,675.53/146,668.57
  6. Step 6: Final answer
    x = 109,848.83

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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.