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Finding the Fourth Proportional to 164,688.98, 246,845.30 and 74,800.25

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Solution

The fourth proportional to 164,688.98, 246,845.30 and 74,800.25 is: 112,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,688.98 : 246,845.30 = 74,800.25 : x
  2. Step 2: Convert to fraction form
    164,688.98/246,845.30 = 74,800.25/x
  3. Step 3: Cross multiply
    164,688.98x = 246,845.30 × 74,800.25
  4. Step 4: Simplify right side
    164,688.98x = 18,464,088,543.10
  5. Step 5: Solve for x
    x = 18,464,088,543.10/164,688.98
  6. Step 6: Final answer
    x = 112,114.90

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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.