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Finding the Fourth Proportional to 144,604.54, 216,951.11 and 64,709.74

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Solution

The fourth proportional to 144,604.54, 216,951.11 and 64,709.74 is: 97,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,604.54 : 216,951.11 = 64,709.74 : x
  2. Step 2: Convert to fraction form
    144,604.54/216,951.11 = 64,709.74/x
  3. Step 3: Cross multiply
    144,604.54x = 216,951.11 × 64,709.74
  4. Step 4: Simplify right side
    144,604.54x = 14,038,848,890.76
  5. Step 5: Solve for x
    x = 14,038,848,890.76/144,604.54
  6. Step 6: Final answer
    x = 97,084.43

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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.