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Finding the Fourth Proportional to 241,707.78, 362,561.80 and 91,913.50

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Solution

The fourth proportional to 241,707.78, 362,561.80 and 91,913.50 is: 137,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,707.78 : 362,561.80 = 91,913.50 : x
  2. Step 2: Convert to fraction form
    241,707.78/362,561.80 = 91,913.50/x
  3. Step 3: Cross multiply
    241,707.78x = 362,561.80 × 91,913.50
  4. Step 4: Simplify right side
    241,707.78x = 33,324,324,004.30
  5. Step 5: Solve for x
    x = 33,324,324,004.30/241,707.78
  6. Step 6: Final answer
    x = 137,870.30

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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.