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Finding the Fourth Proportional to 152,556.51, 228,814.65 and 40,245.51

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Solution

The fourth proportional to 152,556.51, 228,814.65 and 40,245.51 is: 60,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,556.51 : 228,814.65 = 40,245.51 : x
  2. Step 2: Convert to fraction form
    152,556.51/228,814.65 = 40,245.51/x
  3. Step 3: Cross multiply
    152,556.51x = 228,814.65 × 40,245.51
  4. Step 4: Simplify right side
    152,556.51x = 9,208,762,284.72
  5. Step 5: Solve for x
    x = 9,208,762,284.72/152,556.51
  6. Step 6: Final answer
    x = 60,362.96

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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.