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Finding the Fourth Proportional to 103,468.43, 155,151.84 and 46,559.95

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Solution

The fourth proportional to 103,468.43, 155,151.84 and 46,559.95 is: 69,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,468.43 : 155,151.84 = 46,559.95 : x
  2. Step 2: Convert to fraction form
    103,468.43/155,151.84 = 46,559.95/x
  3. Step 3: Cross multiply
    103,468.43x = 155,151.84 × 46,559.95
  4. Step 4: Simplify right side
    103,468.43x = 7,223,861,912.81
  5. Step 5: Solve for x
    x = 7,223,861,912.81/103,468.43
  6. Step 6: Final answer
    x = 69,817.06

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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.