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Finding the Fourth Proportional to 114,307.46, 171,526 and 61,715.78

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Solution

The fourth proportional to 114,307.46, 171,526 and 61,715.78 is: 92,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,307.46 : 171,526 = 61,715.78 : x
  2. Step 2: Convert to fraction form
    114,307.46/171,526 = 61,715.78/x
  3. Step 3: Cross multiply
    114,307.46x = 171,526 × 61,715.78
  4. Step 4: Simplify right side
    114,307.46x = 10,585,860,880.28
  5. Step 5: Solve for x
    x = 10,585,860,880.28/114,307.46
  6. Step 6: Final answer
    x = 92,608.66

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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.