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Finding the Fourth Proportional to 376,814.02, 565,100.28 and 124,035.70

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Solution

The fourth proportional to 376,814.02, 565,100.28 and 124,035.70 is: 186,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,814.02 : 565,100.28 = 124,035.70 : x
  2. Step 2: Convert to fraction form
    376,814.02/565,100.28 = 124,035.70/x
  3. Step 3: Cross multiply
    376,814.02x = 565,100.28 × 124,035.70
  4. Step 4: Simplify right side
    376,814.02x = 70,092,608,800.00
  5. Step 5: Solve for x
    x = 70,092,608,800.00/376,814.02
  6. Step 6: Final answer
    x = 186,013.80

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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.