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Finding the Fourth Proportional to 183,956.77, 253,848.74 and 103,383.14

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Solution

The fourth proportional to 183,956.77, 253,848.74 and 103,383.14 is: 142,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,956.77 : 253,848.74 = 103,383.14 : x
  2. Step 2: Convert to fraction form
    183,956.77/253,848.74 = 103,383.14/x
  3. Step 3: Cross multiply
    183,956.77x = 253,848.74 × 103,383.14
  4. Step 4: Simplify right side
    183,956.77x = 26,243,678,040.08
  5. Step 5: Solve for x
    x = 26,243,678,040.08/183,956.77
  6. Step 6: Final answer
    x = 142,662.20

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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.