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Finding the Fourth Proportional to 357,612.98, 536,085.95 and 120,790.04

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Solution

The fourth proportional to 357,612.98, 536,085.95 and 120,790.04 is: 181,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,612.98 : 536,085.95 = 120,790.04 : x
  2. Step 2: Convert to fraction form
    357,612.98/536,085.95 = 120,790.04/x
  3. Step 3: Cross multiply
    357,612.98x = 536,085.95 × 120,790.04
  4. Step 4: Simplify right side
    357,612.98x = 64,753,840,059.56
  5. Step 5: Solve for x
    x = 64,753,840,059.56/357,612.98
  6. Step 6: Final answer
    x = 181,072.40

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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.