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Finding the Fourth Proportional to 302,070.36, 416,867.58 and 166,109.88

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Solution

The fourth proportional to 302,070.36, 416,867.58 and 166,109.88 is: 229,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,070.36 : 416,867.58 = 166,109.88 : x
  2. Step 2: Convert to fraction form
    302,070.36/416,867.58 = 166,109.88/x
  3. Step 3: Cross multiply
    302,070.36x = 416,867.58 × 166,109.88
  4. Step 4: Simplify right side
    302,070.36x = 69,245,823,689.69
  5. Step 5: Solve for x
    x = 69,245,823,689.69/302,070.36
  6. Step 6: Final answer
    x = 229,237.40

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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.