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Finding the Fourth Proportional to 152,556.01, 228,813.90 and 40,245.01

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Solution

The fourth proportional to 152,556.01, 228,813.90 and 40,245.01 is: 60,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,556.01 : 228,813.90 = 40,245.01 : x
  2. Step 2: Convert to fraction form
    152,556.01/228,813.90 = 40,245.01/x
  3. Step 3: Cross multiply
    152,556.01x = 228,813.90 × 40,245.01
  4. Step 4: Simplify right side
    152,556.01x = 9,208,617,693.64
  5. Step 5: Solve for x
    x = 9,208,617,693.64/152,556.01
  6. Step 6: Final answer
    x = 60,362.21

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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.