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Finding the Fourth Proportional to 228,455.37, 342,715.86 and 70,697.34

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Solution

The fourth proportional to 228,455.37, 342,715.86 and 70,697.34 is: 106,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,455.37 : 342,715.86 = 70,697.34 : x
  2. Step 2: Convert to fraction form
    228,455.37/342,715.86 = 70,697.34/x
  3. Step 3: Cross multiply
    228,455.37x = 342,715.86 × 70,697.34
  4. Step 4: Simplify right side
    228,455.37x = 24,229,099,677.81
  5. Step 5: Solve for x
    x = 24,229,099,677.81/228,455.37
  6. Step 6: Final answer
    x = 106,056.16

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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.