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Finding the Fourth Proportional to 126,554.00, 174,788.08 and 86,197.77

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Solution

The fourth proportional to 126,554.00, 174,788.08 and 86,197.77 is: 119,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,554.00 : 174,788.08 = 86,197.77 : x
  2. Step 2: Convert to fraction form
    126,554.00/174,788.08 = 86,197.77/x
  3. Step 3: Cross multiply
    126,554.00x = 174,788.08 × 86,197.77
  4. Step 4: Simplify right side
    126,554.00x = 15,066,342,503.09
  5. Step 5: Solve for x
    x = 15,066,342,503.09/126,554.00
  6. Step 6: Final answer
    x = 119,050.71

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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.