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Finding the Fourth Proportional to 228,004.58, 342,043.62 and 70,232.88

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Solution

The fourth proportional to 228,004.58, 342,043.62 and 70,232.88 is: 105,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,004.58 : 342,043.62 = 70,232.88 : x
  2. Step 2: Convert to fraction form
    228,004.58/342,043.62 = 70,232.88/x
  3. Step 3: Cross multiply
    228,004.58x = 342,043.62 × 70,232.88
  4. Step 4: Simplify right side
    228,004.58x = 24,022,708,518.23
  5. Step 5: Solve for x
    x = 24,022,708,518.23/228,004.58
  6. Step 6: Final answer
    x = 105,360.64

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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.