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Finding the Fourth Proportional to 224,521.86, 336,838.59 and 66,750.06

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Solution

The fourth proportional to 224,521.86, 336,838.59 and 66,750.06 is: 100,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,521.86 : 336,838.59 = 66,750.06 : x
  2. Step 2: Convert to fraction form
    224,521.86/336,838.59 = 66,750.06/x
  3. Step 3: Cross multiply
    224,521.86x = 336,838.59 × 66,750.06
  4. Step 4: Simplify right side
    224,521.86x = 22,483,994,074.87
  5. Step 5: Solve for x
    x = 22,483,994,074.87/224,521.86
  6. Step 6: Final answer
    x = 100,141.67

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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.