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Finding the Fourth Proportional to 203,681.58, 281,072.25 and 113,041.32

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Solution

The fourth proportional to 203,681.58, 281,072.25 and 113,041.32 is: 155,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,681.58 : 281,072.25 = 113,041.32 : x
  2. Step 2: Convert to fraction form
    203,681.58/281,072.25 = 113,041.32/x
  3. Step 3: Cross multiply
    203,681.58x = 281,072.25 × 113,041.32
  4. Step 4: Simplify right side
    203,681.58x = 31,772,778,155.37
  5. Step 5: Solve for x
    x = 31,772,778,155.37/203,681.58
  6. Step 6: Final answer
    x = 155,992.40

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