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Finding the Fourth Proportional to 183,441.42, 253,041.90 and 115,350.60

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Solution

The fourth proportional to 183,441.42, 253,041.90 and 115,350.60 is: 159,116.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,441.42 : 253,041.90 = 115,350.60 : x
  2. Step 2: Convert to fraction form
    183,441.42/253,041.90 = 115,350.60/x
  3. Step 3: Cross multiply
    183,441.42x = 253,041.90 × 115,350.60
  4. Step 4: Simplify right side
    183,441.42x = 29,188,534,990.14
  5. Step 5: Solve for x
    x = 29,188,534,990.14/183,441.42
  6. Step 6: Final answer
    x = 159,116.38

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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.