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Finding the Fourth Proportional to 94,287.70, 130,084.65 and 58,464.82

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Solution

The fourth proportional to 94,287.70, 130,084.65 and 58,464.82 is: 80,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,287.70 : 130,084.65 = 58,464.82 : x
  2. Step 2: Convert to fraction form
    94,287.70/130,084.65 = 58,464.82/x
  3. Step 3: Cross multiply
    94,287.70x = 130,084.65 × 58,464.82
  4. Step 4: Simplify right side
    94,287.70x = 7,605,375,647.01
  5. Step 5: Solve for x
    x = 7,605,375,647.01/94,287.70
  6. Step 6: Final answer
    x = 80,661.38

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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.