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Finding the Fourth Proportional to 134,506.50, 185,669.73 and 105,751.14

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Solution

The fourth proportional to 134,506.50, 185,669.73 and 105,751.14 is: 145,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,506.50 : 185,669.73 = 105,751.14 : x
  2. Step 2: Convert to fraction form
    134,506.50/185,669.73 = 105,751.14/x
  3. Step 3: Cross multiply
    134,506.50x = 185,669.73 × 105,751.14
  4. Step 4: Simplify right side
    134,506.50x = 19,634,785,610.99
  5. Step 5: Solve for x
    x = 19,634,785,610.99/134,506.50
  6. Step 6: Final answer
    x = 145,976.48

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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.