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Finding the Fourth Proportional to 163,802.55, 226,046.79 and 92,183.79

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Solution

The fourth proportional to 163,802.55, 226,046.79 and 92,183.79 is: 127,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,802.55 : 226,046.79 = 92,183.79 : x
  2. Step 2: Convert to fraction form
    163,802.55/226,046.79 = 92,183.79/x
  3. Step 3: Cross multiply
    163,802.55x = 226,046.79 × 92,183.79
  4. Step 4: Simplify right side
    163,802.55x = 20,837,849,819.53
  5. Step 5: Solve for x
    x = 20,837,849,819.53/163,802.55
  6. Step 6: Final answer
    x = 127,213.22

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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.