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Finding the Fourth Proportional to 82,903.68, 124,373.30 and 26,747.00

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Solution

The fourth proportional to 82,903.68, 124,373.30 and 26,747.00 is: 40,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,903.68 : 124,373.30 = 26,747.00 : x
  2. Step 2: Convert to fraction form
    82,903.68/124,373.30 = 26,747.00/x
  3. Step 3: Cross multiply
    82,903.68x = 124,373.30 × 26,747.00
  4. Step 4: Simplify right side
    82,903.68x = 3,326,611,899.50
  5. Step 5: Solve for x
    x = 3,326,611,899.50/82,903.68
  6. Step 6: Final answer
    x = 40,126.23

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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.