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Finding the Fourth Proportional to 358,092.42, 537,173.70 and 130,449.90

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Solution

The fourth proportional to 358,092.42, 537,173.70 and 130,449.90 is: 195,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,092.42 : 537,173.70 = 130,449.90 : x
  2. Step 2: Convert to fraction form
    358,092.42/537,173.70 = 130,449.90/x
  3. Step 3: Cross multiply
    358,092.42x = 537,173.70 × 130,449.90
  4. Step 4: Simplify right side
    358,092.42x = 70,074,255,447.63
  5. Step 5: Solve for x
    x = 70,074,255,447.63/358,092.42
  6. Step 6: Final answer
    x = 195,687.63

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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.