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Finding the Fourth Proportional to 357,834.70, 536,751.70 and 91,594.80

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Solution

The fourth proportional to 357,834.70, 536,751.70 and 91,594.80 is: 137,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,834.70 : 536,751.70 = 91,594.80 : x
  2. Step 2: Convert to fraction form
    357,834.70/536,751.70 = 91,594.80/x
  3. Step 3: Cross multiply
    357,834.70x = 536,751.70 × 91,594.80
  4. Step 4: Simplify right side
    357,834.70x = 49,163,664,611.16
  5. Step 5: Solve for x
    x = 49,163,664,611.16/357,834.70
  6. Step 6: Final answer
    x = 137,392.11

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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.