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Finding the Fourth Proportional to 213,024.72, 295,216.84 and 210,018

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Solution

The fourth proportional to 213,024.72, 295,216.84 and 210,018 is: 291,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,024.72 : 295,216.84 = 210,018 : x
  2. Step 2: Convert to fraction form
    213,024.72/295,216.84 = 210,018/x
  3. Step 3: Cross multiply
    213,024.72x = 295,216.84 × 210,018
  4. Step 4: Simplify right side
    213,024.72x = 62,000,850,303.12
  5. Step 5: Solve for x
    x = 62,000,850,303.12/213,024.72
  6. Step 6: Final answer
    x = 291,050.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.