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Finding the Fourth Proportional to 170,487.17, 235,373.11 and 151,571.96

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Solution

The fourth proportional to 170,487.17, 235,373.11 and 151,571.96 is: 209,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,487.17 : 235,373.11 = 151,571.96 : x
  2. Step 2: Convert to fraction form
    170,487.17/235,373.11 = 151,571.96/x
  3. Step 3: Cross multiply
    170,487.17x = 235,373.11 × 151,571.96
  4. Step 4: Simplify right side
    170,487.17x = 35,675,962,856.14
  5. Step 5: Solve for x
    x = 35,675,962,856.14/170,487.17
  6. Step 6: Final answer
    x = 209,258.93

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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.