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Finding the Fourth Proportional to 103,162.40, 154,766.93 and 36,602.60

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Solution

The fourth proportional to 103,162.40, 154,766.93 and 36,602.60 is: 54,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,162.40 : 154,766.93 = 36,602.60 : x
  2. Step 2: Convert to fraction form
    103,162.40/154,766.93 = 36,602.60/x
  3. Step 3: Cross multiply
    103,162.40x = 154,766.93 × 36,602.60
  4. Step 4: Simplify right side
    103,162.40x = 5,664,871,075.17
  5. Step 5: Solve for x
    x = 5,664,871,075.17/103,162.40
  6. Step 6: Final answer
    x = 54,912.17

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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.