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Finding the Fourth Proportional to 228,370.20, 342,565.02 and 70,601.64

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Solution

The fourth proportional to 228,370.20, 342,565.02 and 70,601.64 is: 105,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,370.20 : 342,565.02 = 70,601.64 : x
  2. Step 2: Convert to fraction form
    228,370.20/342,565.02 = 70,601.64/x
  3. Step 3: Cross multiply
    228,370.20x = 342,565.02 × 70,601.64
  4. Step 4: Simplify right side
    228,370.20x = 24,185,652,218.63
  5. Step 5: Solve for x
    x = 24,185,652,218.63/228,370.20
  6. Step 6: Final answer
    x = 105,905.46

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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.