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Finding the Fourth Proportional to 283,303.80, 424,793.70 and 105,816.60

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Solution

The fourth proportional to 283,303.80, 424,793.70 and 105,816.60 is: 158,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,303.80 : 424,793.70 = 105,816.60 : x
  2. Step 2: Convert to fraction form
    283,303.80/424,793.70 = 105,816.60/x
  3. Step 3: Cross multiply
    283,303.80x = 424,793.70 × 105,816.60
  4. Step 4: Simplify right side
    283,303.80x = 44,950,225,035.42
  5. Step 5: Solve for x
    x = 44,950,225,035.42/283,303.80
  6. Step 6: Final answer
    x = 158,664.39

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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.