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Finding the Fourth Proportional to 169,668.92, 254,503.12 and 43,309.16

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Solution

The fourth proportional to 169,668.92, 254,503.12 and 43,309.16 is: 64,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,668.92 : 254,503.12 = 43,309.16 : x
  2. Step 2: Convert to fraction form
    169,668.92/254,503.12 = 43,309.16/x
  3. Step 3: Cross multiply
    169,668.92x = 254,503.12 × 43,309.16
  4. Step 4: Simplify right side
    169,668.92x = 11,022,316,344.58
  5. Step 5: Solve for x
    x = 11,022,316,344.58/169,668.92
  6. Step 6: Final answer
    x = 64,963.67

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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.