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Finding the Fourth Proportional to 103,255.56, 154,492.08 and 61,158.24

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Solution

The fourth proportional to 103,255.56, 154,492.08 and 61,158.24 is: 91,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255.56 : 154,492.08 = 61,158.24 : x
  2. Step 2: Convert to fraction form
    103,255.56/154,492.08 = 61,158.24/x
  3. Step 3: Cross multiply
    103,255.56x = 154,492.08 × 61,158.24
  4. Step 4: Simplify right side
    103,255.56x = 9,448,463,706.74
  5. Step 5: Solve for x
    x = 9,448,463,706.74/103,255.56
  6. Step 6: Final answer
    x = 91,505.62

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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.