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Finding the Fourth Proportional to 248,841, 343,409.22 and 141,415.56

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Solution

The fourth proportional to 248,841, 343,409.22 and 141,415.56 is: 195,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,841 : 343,409.22 = 141,415.56 : x
  2. Step 2: Convert to fraction form
    248,841/343,409.22 = 141,415.56/x
  3. Step 3: Cross multiply
    248,841x = 343,409.22 × 141,415.56
  4. Step 4: Simplify right side
    248,841x = 48,563,407,155.46
  5. Step 5: Solve for x
    x = 48,563,407,155.46/248,841
  6. Step 6: Final answer
    x = 195,158.38

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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.