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Finding the Fourth Proportional to 171,037.65, 256,556.48 and 166,116.90

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Solution

The fourth proportional to 171,037.65, 256,556.48 and 166,116.90 is: 249,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.65 : 256,556.48 = 166,116.90 : x
  2. Step 2: Convert to fraction form
    171,037.65/256,556.48 = 166,116.90/x
  3. Step 3: Cross multiply
    171,037.65x = 256,556.48 × 166,116.90
  4. Step 4: Simplify right side
    171,037.65x = 42,618,366,301.93
  5. Step 5: Solve for x
    x = 42,618,366,301.93/171,037.65
  6. Step 6: Final answer
    x = 249,175.35

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1.5x scale

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.