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Finding the Fourth Proportional to 212,750.06, 319,124.10 and 62,991.26

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Solution

The fourth proportional to 212,750.06, 319,124.10 and 62,991.26 is: 94,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,750.06 : 319,124.10 = 62,991.26 : x
  2. Step 2: Convert to fraction form
    212,750.06/319,124.10 = 62,991.26/x
  3. Step 3: Cross multiply
    212,750.06x = 319,124.10 × 62,991.26
  4. Step 4: Simplify right side
    212,750.06x = 20,102,029,155.37
  5. Step 5: Solve for x
    x = 20,102,029,155.37/212,750.06
  6. Step 6: Final answer
    x = 94,486.60

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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.