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Finding the Fourth Proportional to 76,556.74, 114,668.90 and 37,030.98

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Solution

The fourth proportional to 76,556.74, 114,668.90 and 37,030.98 is: 55,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,556.74 : 114,668.90 = 37,030.98 : x
  2. Step 2: Convert to fraction form
    76,556.74/114,668.90 = 37,030.98/x
  3. Step 3: Cross multiply
    76,556.74x = 114,668.90 × 37,030.98
  4. Step 4: Simplify right side
    76,556.74x = 4,246,301,742.52
  5. Step 5: Solve for x
    x = 4,246,301,742.52/76,556.74
  6. Step 6: Final answer
    x = 55,466.07

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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.