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Finding the Fourth Proportional to 183,159.36, 252,172.44 and 142,821.36

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Solution

The fourth proportional to 183,159.36, 252,172.44 and 142,821.36 is: 196,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,159.36 : 252,172.44 = 142,821.36 : x
  2. Step 2: Convert to fraction form
    183,159.36/252,172.44 = 142,821.36/x
  3. Step 3: Cross multiply
    183,159.36x = 252,172.44 × 142,821.36
  4. Step 4: Simplify right side
    183,159.36x = 36,015,610,835.32
  5. Step 5: Solve for x
    x = 36,015,610,835.32/183,159.36
  6. Step 6: Final answer
    x = 196,635.38

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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.