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Finding the Fourth Proportional to 96,378, 144,549.58 and 26,240.91

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Solution

The fourth proportional to 96,378, 144,549.58 and 26,240.91 is: 39,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,378 : 144,549.58 = 26,240.91 : x
  2. Step 2: Convert to fraction form
    96,378/144,549.58 = 26,240.91/x
  3. Step 3: Cross multiply
    96,378x = 144,549.58 × 26,240.91
  4. Step 4: Simplify right side
    96,378x = 3,793,112,519.32
  5. Step 5: Solve for x
    x = 3,793,112,519.32/96,378
  6. Step 6: Final answer
    x = 39,356.62

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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.