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Finding the Fourth Proportional to 365,927.10, 548,631.45 and 141,200.70

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Solution

The fourth proportional to 365,927.10, 548,631.45 and 141,200.70 is: 211,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,927.10 : 548,631.45 = 141,200.70 : x
  2. Step 2: Convert to fraction form
    365,927.10/548,631.45 = 141,200.70/x
  3. Step 3: Cross multiply
    365,927.10x = 548,631.45 × 141,200.70
  4. Step 4: Simplify right side
    365,927.10x = 77,467,144,782.02
  5. Step 5: Solve for x
    x = 77,467,144,782.02/365,927.10
  6. Step 6: Final answer
    x = 211,701.03

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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.