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Finding the Fourth Proportional to 424,709.46, 637,070.27 and 109,166.67

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Solution

The fourth proportional to 424,709.46, 637,070.27 and 109,166.67 is: 163,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,709.46 : 637,070.27 = 109,166.67 : x
  2. Step 2: Convert to fraction form
    424,709.46/637,070.27 = 109,166.67/x
  3. Step 3: Cross multiply
    424,709.46x = 637,070.27 × 109,166.67
  4. Step 4: Simplify right side
    424,709.46x = 69,546,839,386.07
  5. Step 5: Solve for x
    x = 69,546,839,386.07/424,709.46
  6. Step 6: Final answer
    x = 163,751.57

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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.