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Finding the Fourth Proportional to 94,571.68, 130,515.60 and 54,292

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Solution

The fourth proportional to 94,571.68, 130,515.60 and 54,292 is: 74,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,571.68 : 130,515.60 = 54,292 : x
  2. Step 2: Convert to fraction form
    94,571.68/130,515.60 = 54,292/x
  3. Step 3: Cross multiply
    94,571.68x = 130,515.60 × 54,292
  4. Step 4: Simplify right side
    94,571.68x = 7,085,952,955.20
  5. Step 5: Solve for x
    x = 7,085,952,955.20/94,571.68
  6. Step 6: Final answer
    x = 74,926.80

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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.