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Finding the Fourth Proportional to 110,336.31, 152,275.31 and 65,028.89

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Solution

The fourth proportional to 110,336.31, 152,275.31 and 65,028.89 is: 89,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,336.31 : 152,275.31 = 65,028.89 : x
  2. Step 2: Convert to fraction form
    110,336.31/152,275.31 = 65,028.89/x
  3. Step 3: Cross multiply
    110,336.31x = 152,275.31 × 65,028.89
  4. Step 4: Simplify right side
    110,336.31x = 9,902,294,383.71
  5. Step 5: Solve for x
    x = 9,902,294,383.71/110,336.31
  6. Step 6: Final answer
    x = 89,746.47

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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.