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Finding the Fourth Proportional to 170,283.96, 235,076.04 and 106,656.84

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Solution

The fourth proportional to 170,283.96, 235,076.04 and 106,656.84 is: 147,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,283.96 : 235,076.04 = 106,656.84 : x
  2. Step 2: Convert to fraction form
    170,283.96/235,076.04 = 106,656.84/x
  3. Step 3: Cross multiply
    170,283.96x = 235,076.04 × 106,656.84
  4. Step 4: Simplify right side
    170,283.96x = 25,072,467,586.11
  5. Step 5: Solve for x
    x = 25,072,467,586.11/170,283.96
  6. Step 6: Final answer
    x = 147,239.16

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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.