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Finding the Fourth Proportional to 183,389.81, 275,085.72 and 83,480.09

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Solution

The fourth proportional to 183,389.81, 275,085.72 and 83,480.09 is: 125,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,389.81 : 275,085.72 = 83,480.09 : x
  2. Step 2: Convert to fraction form
    183,389.81/275,085.72 = 83,480.09/x
  3. Step 3: Cross multiply
    183,389.81x = 275,085.72 × 83,480.09
  4. Step 4: Simplify right side
    183,389.81x = 22,964,179,287.89
  5. Step 5: Solve for x
    x = 22,964,179,287.89/183,389.81
  6. Step 6: Final answer
    x = 125,220.59

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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.