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Finding the Fourth Proportional to 82,996.99, 124,526.94 and 49,740.92

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Solution

The fourth proportional to 82,996.99, 124,526.94 and 49,740.92 is: 74,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,996.99 : 124,526.94 = 49,740.92 : x
  2. Step 2: Convert to fraction form
    82,996.99/124,526.94 = 49,740.92/x
  3. Step 3: Cross multiply
    82,996.99x = 124,526.94 × 49,740.92
  4. Step 4: Simplify right side
    82,996.99x = 6,194,084,218.20
  5. Step 5: Solve for x
    x = 6,194,084,218.20/82,996.99
  6. Step 6: Final answer
    x = 74,630.23

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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.