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Finding the Fourth Proportional to 210,260.34, 315,483.12 and 110,397.33

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Solution

The fourth proportional to 210,260.34, 315,483.12 and 110,397.33 is: 165,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,260.34 : 315,483.12 = 110,397.33 : x
  2. Step 2: Convert to fraction form
    210,260.34/315,483.12 = 110,397.33/x
  3. Step 3: Cross multiply
    210,260.34x = 315,483.12 × 110,397.33
  4. Step 4: Simplify right side
    210,260.34x = 34,828,494,108.07
  5. Step 5: Solve for x
    x = 34,828,494,108.07/210,260.34
  6. Step 6: Final answer
    x = 165,644.62

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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.