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Finding the Fourth Proportional to 210,706.56, 290,751.24 and 124,668.18

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Solution

The fourth proportional to 210,706.56, 290,751.24 and 124,668.18 is: 172,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,706.56 : 290,751.24 = 124,668.18 : x
  2. Step 2: Convert to fraction form
    210,706.56/290,751.24 = 124,668.18/x
  3. Step 3: Cross multiply
    210,706.56x = 290,751.24 × 124,668.18
  4. Step 4: Simplify right side
    210,706.56x = 36,247,427,923.54
  5. Step 5: Solve for x
    x = 36,247,427,923.54/210,706.56
  6. Step 6: Final answer
    x = 172,028.00

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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.