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Finding the Fourth Proportional to 110,661.96, 152,703.20 and 62,905.96

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Solution

The fourth proportional to 110,661.96, 152,703.20 and 62,905.96 is: 86,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,661.96 : 152,703.20 = 62,905.96 : x
  2. Step 2: Convert to fraction form
    110,661.96/152,703.20 = 62,905.96/x
  3. Step 3: Cross multiply
    110,661.96x = 152,703.20 × 62,905.96
  4. Step 4: Simplify right side
    110,661.96x = 9,605,941,391.07
  5. Step 5: Solve for x
    x = 9,605,941,391.07/110,661.96
  6. Step 6: Final answer
    x = 86,804.37

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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.