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Finding the Fourth Proportional to 103,616.55, 155,424.83 and 37,058.85

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Solution

The fourth proportional to 103,616.55, 155,424.83 and 37,058.85 is: 55,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.55 : 155,424.83 = 37,058.85 : x
  2. Step 2: Convert to fraction form
    103,616.55/155,424.83 = 37,058.85/x
  3. Step 3: Cross multiply
    103,616.55x = 155,424.83 × 37,058.85
  4. Step 4: Simplify right side
    103,616.55x = 5,759,865,275.95
  5. Step 5: Solve for x
    x = 5,759,865,275.95/103,616.55
  6. Step 6: Final answer
    x = 55,588.28

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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.