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Finding the Fourth Proportional to 166,776.65, 230,186.52 and 153,326.60

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Solution

The fourth proportional to 166,776.65, 230,186.52 and 153,326.60 is: 211,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,776.65 : 230,186.52 = 153,326.60 : x
  2. Step 2: Convert to fraction form
    166,776.65/230,186.52 = 153,326.60/x
  3. Step 3: Cross multiply
    166,776.65x = 230,186.52 × 153,326.60
  4. Step 4: Simplify right side
    166,776.65x = 35,293,715,326.50
  5. Step 5: Solve for x
    x = 35,293,715,326.50/166,776.65
  6. Step 6: Final answer
    x = 211,622.65

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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.