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Finding the Fourth Proportional to 229,155.95, 316,273.23 and 133,662.67

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Solution

The fourth proportional to 229,155.95, 316,273.23 and 133,662.67 is: 184,476.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,155.95 : 316,273.23 = 133,662.67 : x
  2. Step 2: Convert to fraction form
    229,155.95/316,273.23 = 133,662.67/x
  3. Step 3: Cross multiply
    229,155.95x = 316,273.23 × 133,662.67
  4. Step 4: Simplify right side
    229,155.95x = 42,273,923,580.64
  5. Step 5: Solve for x
    x = 42,273,923,580.64/229,155.95
  6. Step 6: Final answer
    x = 184,476.65

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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.