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Finding the Fourth Proportional to 94,571.98, 130,509.32 and 52,131.40

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Solution

The fourth proportional to 94,571.98, 130,509.32 and 52,131.40 is: 71,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,571.98 : 130,509.32 = 52,131.40 : x
  2. Step 2: Convert to fraction form
    94,571.98/130,509.32 = 52,131.40/x
  3. Step 3: Cross multiply
    94,571.98x = 130,509.32 × 52,131.40
  4. Step 4: Simplify right side
    94,571.98x = 6,803,633,564.65
  5. Step 5: Solve for x
    x = 6,803,633,564.65/94,571.98
  6. Step 6: Final answer
    x = 71,941.33

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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.