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Finding the Fourth Proportional to 100,168.79, 150,329.35 and 37,048.63

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Solution

The fourth proportional to 100,168.79, 150,329.35 and 37,048.63 is: 55,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,168.79 : 150,329.35 = 37,048.63 : x
  2. Step 2: Convert to fraction form
    100,168.79/150,329.35 = 37,048.63/x
  3. Step 3: Cross multiply
    100,168.79x = 150,329.35 × 37,048.63
  4. Step 4: Simplify right side
    100,168.79x = 5,569,496,466.29
  5. Step 5: Solve for x
    x = 5,569,496,466.29/100,168.79
  6. Step 6: Final answer
    x = 55,601.12

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1.5x scale

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.