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Finding the Fourth Proportional to 192,642.36, 265,899.90 and 112,085.46

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Solution

The fourth proportional to 192,642.36, 265,899.90 and 112,085.46 is: 154,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,642.36 : 265,899.90 = 112,085.46 : x
  2. Step 2: Convert to fraction form
    192,642.36/265,899.90 = 112,085.46/x
  3. Step 3: Cross multiply
    192,642.36x = 265,899.90 × 112,085.46
  4. Step 4: Simplify right side
    192,642.36x = 29,803,512,494.23
  5. Step 5: Solve for x
    x = 29,803,512,494.23/192,642.36
  6. Step 6: Final answer
    x = 154,709.03

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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.