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Finding the Fourth Proportional to 277,750.08, 383,318.71 and 156,913.54

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Solution

The fourth proportional to 277,750.08, 383,318.71 and 156,913.54 is: 216,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,750.08 : 383,318.71 = 156,913.54 : x
  2. Step 2: Convert to fraction form
    277,750.08/383,318.71 = 156,913.54/x
  3. Step 3: Cross multiply
    277,750.08x = 383,318.71 × 156,913.54
  4. Step 4: Simplify right side
    277,750.08x = 60,147,894,383.75
  5. Step 5: Solve for x
    x = 60,147,894,383.75/277,750.08
  6. Step 6: Final answer
    x = 216,554.01

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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.