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Finding the Fourth Proportional to 147,418.58, 203,231.58 and 124,666.22

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Solution

The fourth proportional to 147,418.58, 203,231.58 and 124,666.22 is: 171,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,418.58 : 203,231.58 = 124,666.22 : x
  2. Step 2: Convert to fraction form
    147,418.58/203,231.58 = 124,666.22/x
  3. Step 3: Cross multiply
    147,418.58x = 203,231.58 × 124,666.22
  4. Step 4: Simplify right side
    147,418.58x = 25,336,112,863.23
  5. Step 5: Solve for x
    x = 25,336,112,863.23/147,418.58
  6. Step 6: Final answer
    x = 171,865.13

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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.