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Finding the Fourth Proportional to 94,608.60, 130,620.72 and 58,847.28

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Solution

The fourth proportional to 94,608.60, 130,620.72 and 58,847.28 is: 81,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,608.60 : 130,620.72 = 58,847.28 : x
  2. Step 2: Convert to fraction form
    94,608.60/130,620.72 = 58,847.28/x
  3. Step 3: Cross multiply
    94,608.60x = 130,620.72 × 58,847.28
  4. Step 4: Simplify right side
    94,608.60x = 7,686,674,083.64
  5. Step 5: Solve for x
    x = 7,686,674,083.64/94,608.60
  6. Step 6: Final answer
    x = 81,247.10

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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.