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Finding the Fourth Proportional to 82,807.93, 124,194.48 and 26,653.06

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Solution

The fourth proportional to 82,807.93, 124,194.48 and 26,653.06 is: 39,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,807.93 : 124,194.48 = 26,653.06 : x
  2. Step 2: Convert to fraction form
    82,807.93/124,194.48 = 26,653.06/x
  3. Step 3: Cross multiply
    82,807.93x = 124,194.48 × 26,653.06
  4. Step 4: Simplify right side
    82,807.93x = 3,310,162,927.11
  5. Step 5: Solve for x
    x = 3,310,162,927.11/82,807.93
  6. Step 6: Final answer
    x = 39,973.98

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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.