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Finding the Fourth Proportional to 164,750.40, 227,335.20 and 116,986.32

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Solution

The fourth proportional to 164,750.40, 227,335.20 and 116,986.32 is: 161,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,750.40 : 227,335.20 = 116,986.32 : x
  2. Step 2: Convert to fraction form
    164,750.40/227,335.20 = 116,986.32/x
  3. Step 3: Cross multiply
    164,750.40x = 227,335.20 × 116,986.32
  4. Step 4: Simplify right side
    164,750.40x = 26,595,108,454.46
  5. Step 5: Solve for x
    x = 26,595,108,454.46/164,750.40
  6. Step 6: Final answer
    x = 161,426.67

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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.