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Finding the Fourth Proportional to 74,813.81, 103,256.42 and 44,601.12

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Solution

The fourth proportional to 74,813.81, 103,256.42 and 44,601.12 is: 61,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.81 : 103,256.42 = 44,601.12 : x
  2. Step 2: Convert to fraction form
    74,813.81/103,256.42 = 44,601.12/x
  3. Step 3: Cross multiply
    74,813.81x = 103,256.42 × 44,601.12
  4. Step 4: Simplify right side
    74,813.81x = 4,605,351,756.18
  5. Step 5: Solve for x
    x = 4,605,351,756.18/74,813.81
  6. Step 6: Final answer
    x = 61,557.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.