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Finding the Fourth Proportional to 268,205.91, 370,124.40 and 147,347.43

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Solution

The fourth proportional to 268,205.91, 370,124.40 and 147,347.43 is: 203,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,205.91 : 370,124.40 = 147,347.43 : x
  2. Step 2: Convert to fraction form
    268,205.91/370,124.40 = 147,347.43/x
  3. Step 3: Cross multiply
    268,205.91x = 370,124.40 × 147,347.43
  4. Step 4: Simplify right side
    268,205.91x = 54,536,879,120.29
  5. Step 5: Solve for x
    x = 54,536,879,120.29/268,205.91
  6. Step 6: Final answer
    x = 203,339.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.