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Finding the Fourth Proportional to 161,492.86, 222,629.16 and 113,597.56

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Solution

The fourth proportional to 161,492.86, 222,629.16 and 113,597.56 is: 156,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,492.86 : 222,629.16 = 113,597.56 : x
  2. Step 2: Convert to fraction form
    161,492.86/222,629.16 = 113,597.56/x
  3. Step 3: Cross multiply
    161,492.86x = 222,629.16 × 113,597.56
  4. Step 4: Simplify right side
    161,492.86x = 25,290,129,360.85
  5. Step 5: Solve for x
    x = 25,290,129,360.85/161,492.86
  6. Step 6: Final answer
    x = 156,602.15

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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.