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Finding the Fourth Proportional to 163,055.30, 244,254.90 and 109,911.20

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Solution

The fourth proportional to 163,055.30, 244,254.90 and 109,911.20 is: 164,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,055.30 : 244,254.90 = 109,911.20 : x
  2. Step 2: Convert to fraction form
    163,055.30/244,254.90 = 109,911.20/x
  3. Step 3: Cross multiply
    163,055.30x = 244,254.90 × 109,911.20
  4. Step 4: Simplify right side
    163,055.30x = 26,846,349,164.88
  5. Step 5: Solve for x
    x = 26,846,349,164.88/163,055.30
  6. Step 6: Final answer
    x = 164,645.67

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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.