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Finding the Fourth Proportional to 94,884.36, 130,936.54 and 54,599.57

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Solution

The fourth proportional to 94,884.36, 130,936.54 and 54,599.57 is: 75,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,884.36 : 130,936.54 = 54,599.57 : x
  2. Step 2: Convert to fraction form
    94,884.36/130,936.54 = 54,599.57/x
  3. Step 3: Cross multiply
    94,884.36x = 130,936.54 × 54,599.57
  4. Step 4: Simplify right side
    94,884.36x = 7,149,078,437.93
  5. Step 5: Solve for x
    x = 7,149,078,437.93/94,884.36
  6. Step 6: Final answer
    x = 75,345.17

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1.5x scale

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.