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Finding the Fourth Proportional to 163,866.50, 245,799.76 and 93,696.60

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Solution

The fourth proportional to 163,866.50, 245,799.76 and 93,696.60 is: 140,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,866.50 : 245,799.76 = 93,696.60 : x
  2. Step 2: Convert to fraction form
    163,866.50/245,799.76 = 93,696.60/x
  3. Step 3: Cross multiply
    163,866.50x = 245,799.76 × 93,696.60
  4. Step 4: Simplify right side
    163,866.50x = 23,030,601,792.82
  5. Step 5: Solve for x
    x = 23,030,601,792.82/163,866.50
  6. Step 6: Final answer
    x = 140,544.91

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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.