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Finding the Fourth Proportional to 210,580, 315,924.72 and 62,836

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Solution

The fourth proportional to 210,580, 315,924.72 and 62,836 is: 94,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,580 : 315,924.72 = 62,836 : x
  2. Step 2: Convert to fraction form
    210,580/315,924.72 = 62,836/x
  3. Step 3: Cross multiply
    210,580x = 315,924.72 × 62,836
  4. Step 4: Simplify right side
    210,580x = 19,851,445,705.92
  5. Step 5: Solve for x
    x = 19,851,445,705.92/210,580
  6. Step 6: Final answer
    x = 94,270.33

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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.