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Finding the Fourth Proportional to 169,225.52, 233,532.60 and 93,775.28

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Solution

The fourth proportional to 169,225.52, 233,532.60 and 93,775.28 is: 129,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,225.52 : 233,532.60 = 93,775.28 : x
  2. Step 2: Convert to fraction form
    169,225.52/233,532.60 = 93,775.28/x
  3. Step 3: Cross multiply
    169,225.52x = 233,532.60 × 93,775.28
  4. Step 4: Simplify right side
    169,225.52x = 21,899,584,954.13
  5. Step 5: Solve for x
    x = 21,899,584,954.13/169,225.52
  6. Step 6: Final answer
    x = 129,410.65

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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.