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Finding the Fourth Proportional to 302,066.91, 416,878.88 and 166,124.79

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Solution

The fourth proportional to 302,066.91, 416,878.88 and 166,124.79 is: 229,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,066.91 : 416,878.88 = 166,124.79 : x
  2. Step 2: Convert to fraction form
    302,066.91/416,878.88 = 166,124.79/x
  3. Step 3: Cross multiply
    302,066.91x = 416,878.88 × 166,124.79
  4. Step 4: Simplify right side
    302,066.91x = 69,253,915,564.81
  5. Step 5: Solve for x
    x = 69,253,915,564.81/302,066.91
  6. Step 6: Final answer
    x = 229,266.81

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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.