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Finding the Fourth Proportional to 110,812.66, 152,932.54 and 66,100.66

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Solution

The fourth proportional to 110,812.66, 152,932.54 and 66,100.66 is: 91,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,812.66 : 152,932.54 = 66,100.66 : x
  2. Step 2: Convert to fraction form
    110,812.66/152,932.54 = 66,100.66/x
  3. Step 3: Cross multiply
    110,812.66x = 152,932.54 × 66,100.66
  4. Step 4: Simplify right side
    110,812.66x = 10,108,941,829.48
  5. Step 5: Solve for x
    x = 10,108,941,829.48/110,812.66
  6. Step 6: Final answer
    x = 91,225.51

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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.