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Finding the Fourth Proportional to 103,477.05, 155,233.80 and 36,955.80

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Solution

The fourth proportional to 103,477.05, 155,233.80 and 36,955.80 is: 55,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477.05 : 155,233.80 = 36,955.80 : x
  2. Step 2: Convert to fraction form
    103,477.05/155,233.80 = 36,955.80/x
  3. Step 3: Cross multiply
    103,477.05x = 155,233.80 × 36,955.80
  4. Step 4: Simplify right side
    103,477.05x = 5,736,789,266.04
  5. Step 5: Solve for x
    x = 5,736,789,266.04/103,477.05
  6. Step 6: Final answer
    x = 55,440.21

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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.