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Finding the Fourth Proportional to 193,185, 266,596.26 and 112,668.36

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Solution

The fourth proportional to 193,185, 266,596.26 and 112,668.36 is: 155,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,185 : 266,596.26 = 112,668.36 : x
  2. Step 2: Convert to fraction form
    193,185/266,596.26 = 112,668.36/x
  3. Step 3: Cross multiply
    193,185x = 266,596.26 × 112,668.36
  4. Step 4: Simplify right side
    193,185x = 30,036,963,396.33
  5. Step 5: Solve for x
    x = 30,036,963,396.33/193,185
  6. Step 6: Final answer
    x = 155,482.90

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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.