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Finding the Fourth Proportional to 302,019.81, 416,778.51 and 166,053.63

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Solution

The fourth proportional to 302,019.81, 416,778.51 and 166,053.63 is: 229,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,019.81 : 416,778.51 = 166,053.63 : x
  2. Step 2: Convert to fraction form
    302,019.81/416,778.51 = 166,053.63/x
  3. Step 3: Cross multiply
    302,019.81x = 416,778.51 × 166,053.63
  4. Step 4: Simplify right side
    302,019.81x = 69,207,584,491.49
  5. Step 5: Solve for x
    x = 69,207,584,491.49/302,019.81
  6. Step 6: Final answer
    x = 229,149.16

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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.