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Finding the Fourth Proportional to 66,794.40, 100,061.88 and 59,696.37

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Solution

The fourth proportional to 66,794.40, 100,061.88 and 59,696.37 is: 89,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,794.40 : 100,061.88 = 59,696.37 : x
  2. Step 2: Convert to fraction form
    66,794.40/100,061.88 = 59,696.37/x
  3. Step 3: Cross multiply
    66,794.40x = 100,061.88 × 59,696.37
  4. Step 4: Simplify right side
    66,794.40x = 5,973,331,011.38
  5. Step 5: Solve for x
    x = 5,973,331,011.38/66,794.40
  6. Step 6: Final answer
    x = 89,428.62

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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.