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Finding the Fourth Proportional to 147,501.45, 203,551.25 and 83,851.56

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Solution

The fourth proportional to 147,501.45, 203,551.25 and 83,851.56 is: 115,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.45 : 203,551.25 = 83,851.56 : x
  2. Step 2: Convert to fraction form
    147,501.45/203,551.25 = 83,851.56/x
  3. Step 3: Cross multiply
    147,501.45x = 203,551.25 × 83,851.56
  4. Step 4: Simplify right side
    147,501.45x = 17,068,089,433.19
  5. Step 5: Solve for x
    x = 17,068,089,433.19/147,501.45
  6. Step 6: Final answer
    x = 115,714.72

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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.