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Finding the Fourth Proportional to 251,488.95, 377,030.31 and 82,904.06

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Solution

The fourth proportional to 251,488.95, 377,030.31 and 82,904.06 is: 124,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,488.95 : 377,030.31 = 82,904.06 : x
  2. Step 2: Convert to fraction form
    251,488.95/377,030.31 = 82,904.06/x
  3. Step 3: Cross multiply
    251,488.95x = 377,030.31 × 82,904.06
  4. Step 4: Simplify right side
    251,488.95x = 31,257,341,556.91
  5. Step 5: Solve for x
    x = 31,257,341,556.91/251,488.95
  6. Step 6: Final answer
    x = 124,289.13

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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.