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Finding the Fourth Proportional to 100,492.12, 150,541.12 and 58,283.56

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Solution

The fourth proportional to 100,492.12, 150,541.12 and 58,283.56 is: 87,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,492.12 : 150,541.12 = 58,283.56 : x
  2. Step 2: Convert to fraction form
    100,492.12/150,541.12 = 58,283.56/x
  3. Step 3: Cross multiply
    100,492.12x = 150,541.12 × 58,283.56
  4. Step 4: Simplify right side
    100,492.12x = 8,774,072,399.99
  5. Step 5: Solve for x
    x = 8,774,072,399.99/100,492.12
  6. Step 6: Final answer
    x = 87,311.05

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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.