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Finding the Fourth Proportional to 103,539.51, 155,283.62 and 44,368.47

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Solution

The fourth proportional to 103,539.51, 155,283.62 and 44,368.47 is: 66,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,539.51 : 155,283.62 = 44,368.47 : x
  2. Step 2: Convert to fraction form
    103,539.51/155,283.62 = 44,368.47/x
  3. Step 3: Cross multiply
    103,539.51x = 155,283.62 × 44,368.47
  4. Step 4: Simplify right side
    103,539.51x = 6,889,696,413.62
  5. Step 5: Solve for x
    x = 6,889,696,413.62/103,539.51
  6. Step 6: Final answer
    x = 66,541.71

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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.