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Finding the Fourth Proportional to 73,148.94, 109,700.73 and 26,395.74

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Solution

The fourth proportional to 73,148.94, 109,700.73 and 26,395.74 is: 39,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,148.94 : 109,700.73 = 26,395.74 : x
  2. Step 2: Convert to fraction form
    73,148.94/109,700.73 = 26,395.74/x
  3. Step 3: Cross multiply
    73,148.94x = 109,700.73 × 26,395.74
  4. Step 4: Simplify right side
    73,148.94x = 2,895,631,946.89
  5. Step 5: Solve for x
    x = 2,895,631,946.89/73,148.94
  6. Step 6: Final answer
    x = 39,585.43

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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.