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Finding the Fourth Proportional to 113,015.08, 155,961.12 and 62,028.22

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Solution

The fourth proportional to 113,015.08, 155,961.12 and 62,028.22 is: 85,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,015.08 : 155,961.12 = 62,028.22 : x
  2. Step 2: Convert to fraction form
    113,015.08/155,961.12 = 62,028.22/x
  3. Step 3: Cross multiply
    113,015.08x = 155,961.12 × 62,028.22
  4. Step 4: Simplify right side
    113,015.08x = 9,673,990,662.81
  5. Step 5: Solve for x
    x = 9,673,990,662.81/113,015.08
  6. Step 6: Final answer
    x = 85,599.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.