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Finding the Fourth Proportional to 174,172.77, 261,030.72 and 126,301.77

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Solution

The fourth proportional to 174,172.77, 261,030.72 and 126,301.77 is: 189,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,172.77 : 261,030.72 = 126,301.77 : x
  2. Step 2: Convert to fraction form
    174,172.77/261,030.72 = 126,301.77/x
  3. Step 3: Cross multiply
    174,172.77x = 261,030.72 × 126,301.77
  4. Step 4: Simplify right side
    174,172.77x = 32,968,641,960.37
  5. Step 5: Solve for x
    x = 32,968,641,960.37/174,172.77
  6. Step 6: Final answer
    x = 189,287.00

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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.