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Finding the Fourth Proportional to 94,243.70, 130,075.24 and 55,995.90

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Solution

The fourth proportional to 94,243.70, 130,075.24 and 55,995.90 is: 77,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,243.70 : 130,075.24 = 55,995.90 : x
  2. Step 2: Convert to fraction form
    94,243.70/130,075.24 = 55,995.90/x
  3. Step 3: Cross multiply
    94,243.70x = 130,075.24 × 55,995.90
  4. Step 4: Simplify right side
    94,243.70x = 7,283,680,131.52
  5. Step 5: Solve for x
    x = 7,283,680,131.52/94,243.70
  6. Step 6: Final answer
    x = 77,285.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.