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Finding the Fourth Proportional to 228,390.24, 342,594.72 and 62,178.24

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Solution

The fourth proportional to 228,390.24, 342,594.72 and 62,178.24 is: 93,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,390.24 : 342,594.72 = 62,178.24 : x
  2. Step 2: Convert to fraction form
    228,390.24/342,594.72 = 62,178.24/x
  3. Step 3: Cross multiply
    228,390.24x = 342,594.72 × 62,178.24
  4. Step 4: Simplify right side
    228,390.24x = 21,301,936,722.89
  5. Step 5: Solve for x
    x = 21,301,936,722.89/228,390.24
  6. Step 6: Final answer
    x = 93,269.91

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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.