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Finding the Fourth Proportional to 164,428.53, 246,718.92 and 89,459.37

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Solution

The fourth proportional to 164,428.53, 246,718.92 and 89,459.37 is: 134,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,428.53 : 246,718.92 = 89,459.37 : x
  2. Step 2: Convert to fraction form
    164,428.53/246,718.92 = 89,459.37/x
  3. Step 3: Cross multiply
    164,428.53x = 246,718.92 × 89,459.37
  4. Step 4: Simplify right side
    164,428.53x = 22,071,319,150.28
  5. Step 5: Solve for x
    x = 22,071,319,150.28/164,428.53
  6. Step 6: Final answer
    x = 134,230.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.