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Finding the Fourth Proportional to 358,370.95, 537,556.43 and 109,124.23

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Solution

The fourth proportional to 358,370.95, 537,556.43 and 109,124.23 is: 163,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,370.95 : 537,556.43 = 109,124.23 : x
  2. Step 2: Convert to fraction form
    358,370.95/537,556.43 = 109,124.23/x
  3. Step 3: Cross multiply
    358,370.95x = 537,556.43 × 109,124.23
  4. Step 4: Simplify right side
    358,370.95x = 58,660,431,505.30
  5. Step 5: Solve for x
    x = 58,660,431,505.30/358,370.95
  6. Step 6: Final answer
    x = 163,686.35

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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.