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Finding the Fourth Proportional to 169,825.05, 234,360.69 and 93,352.47

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Solution

The fourth proportional to 169,825.05, 234,360.69 and 93,352.47 is: 128,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825.05 : 234,360.69 = 93,352.47 : x
  2. Step 2: Convert to fraction form
    169,825.05/234,360.69 = 93,352.47/x
  3. Step 3: Cross multiply
    169,825.05x = 234,360.69 × 93,352.47
  4. Step 4: Simplify right side
    169,825.05x = 21,878,149,282.40
  5. Step 5: Solve for x
    x = 21,878,149,282.40/169,825.05
  6. Step 6: Final answer
    x = 128,827.57

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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.