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Finding the Fourth Proportional to 152,604.90, 228,842.55 and 73,743.30

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Solution

The fourth proportional to 152,604.90, 228,842.55 and 73,743.30 is: 110,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,604.90 : 228,842.55 = 73,743.30 : x
  2. Step 2: Convert to fraction form
    152,604.90/228,842.55 = 73,743.30/x
  3. Step 3: Cross multiply
    152,604.90x = 228,842.55 × 73,743.30
  4. Step 4: Simplify right side
    152,604.90x = 16,875,604,817.42
  5. Step 5: Solve for x
    x = 16,875,604,817.42/152,604.90
  6. Step 6: Final answer
    x = 110,583.64

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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.