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Finding the Fourth Proportional to 212,877.80, 319,262.23 and 63,083.12

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Solution

The fourth proportional to 212,877.80, 319,262.23 and 63,083.12 is: 94,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,877.80 : 319,262.23 = 63,083.12 : x
  2. Step 2: Convert to fraction form
    212,877.80/319,262.23 = 63,083.12/x
  3. Step 3: Cross multiply
    212,877.80x = 319,262.23 × 63,083.12
  4. Step 4: Simplify right side
    212,877.80x = 20,140,057,080.77
  5. Step 5: Solve for x
    x = 20,140,057,080.77/212,877.80
  6. Step 6: Final answer
    x = 94,608.54

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1.5x scale

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.