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Finding the Fourth Proportional to 192,547.76, 265,721.96 and 107,664.60

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Solution

The fourth proportional to 192,547.76, 265,721.96 and 107,664.60 is: 148,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,547.76 : 265,721.96 = 107,664.60 : x
  2. Step 2: Convert to fraction form
    192,547.76/265,721.96 = 107,664.60/x
  3. Step 3: Cross multiply
    192,547.76x = 265,721.96 × 107,664.60
  4. Step 4: Simplify right side
    192,547.76x = 28,608,848,534.62
  5. Step 5: Solve for x
    x = 28,608,848,534.62/192,547.76
  6. Step 6: Final answer
    x = 148,580.53

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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.