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Finding the Fourth Proportional to 145,898.40, 218,847.60 and 93,367.20

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Solution

The fourth proportional to 145,898.40, 218,847.60 and 93,367.20 is: 140,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,898.40 : 218,847.60 = 93,367.20 : x
  2. Step 2: Convert to fraction form
    145,898.40/218,847.60 = 93,367.20/x
  3. Step 3: Cross multiply
    145,898.40x = 218,847.60 × 93,367.20
  4. Step 4: Simplify right side
    145,898.40x = 20,433,187,638.72
  5. Step 5: Solve for x
    x = 20,433,187,638.72/145,898.40
  6. Step 6: Final answer
    x = 140,050.80

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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.