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Finding the Fourth Proportional to 103,612.56, 155,418.84 and 37,048.65

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Solution

The fourth proportional to 103,612.56, 155,418.84 and 37,048.65 is: 55,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.56 : 155,418.84 = 37,048.65 : x
  2. Step 2: Convert to fraction form
    103,612.56/155,418.84 = 37,048.65/x
  3. Step 3: Cross multiply
    103,612.56x = 155,418.84 × 37,048.65
  4. Step 4: Simplify right side
    103,612.56x = 5,758,058,206.57
  5. Step 5: Solve for x
    x = 5,758,058,206.57/103,612.56
  6. Step 6: Final answer
    x = 55,572.98

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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.