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Finding the Fourth Proportional to 235,321.82, 324,746.63 and 127,891.86

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Solution

The fourth proportional to 235,321.82, 324,746.63 and 127,891.86 is: 176,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,321.82 : 324,746.63 = 127,891.86 : x
  2. Step 2: Convert to fraction form
    235,321.82/324,746.63 = 127,891.86/x
  3. Step 3: Cross multiply
    235,321.82x = 324,746.63 × 127,891.86
  4. Step 4: Simplify right side
    235,321.82x = 41,532,448,802.07
  5. Step 5: Solve for x
    x = 41,532,448,802.07/235,321.82
  6. Step 6: Final answer
    x = 176,492.13

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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.