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Finding the Fourth Proportional to 174,833.74, 262,058.20 and 99,790.08

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Solution

The fourth proportional to 174,833.74, 262,058.20 and 99,790.08 is: 149,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,833.74 : 262,058.20 = 99,790.08 : x
  2. Step 2: Convert to fraction form
    174,833.74/262,058.20 = 99,790.08/x
  3. Step 3: Cross multiply
    174,833.74x = 262,058.20 × 99,790.08
  4. Step 4: Simplify right side
    174,833.74x = 26,150,808,742.66
  5. Step 5: Solve for x
    x = 26,150,808,742.66/174,833.74
  6. Step 6: Final answer
    x = 149,575.30

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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.