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Finding the Fourth Proportional to 121,566.64, 182,670.68 and 65,448.24

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Solution

The fourth proportional to 121,566.64, 182,670.68 and 65,448.24 is: 98,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566.64 : 182,670.68 = 65,448.24 : x
  2. Step 2: Convert to fraction form
    121,566.64/182,670.68 = 65,448.24/x
  3. Step 3: Cross multiply
    121,566.64x = 182,670.68 × 65,448.24
  4. Step 4: Simplify right side
    121,566.64x = 11,955,474,505.60
  5. Step 5: Solve for x
    x = 11,955,474,505.60/121,566.64
  6. Step 6: Final answer
    x = 98,345.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.