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Finding the Fourth Proportional to 110,761.88, 152,851.46 and 68,345.01

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Solution

The fourth proportional to 110,761.88, 152,851.46 and 68,345.01 is: 94,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,761.88 : 152,851.46 = 68,345.01 : x
  2. Step 2: Convert to fraction form
    110,761.88/152,851.46 = 68,345.01/x
  3. Step 3: Cross multiply
    110,761.88x = 152,851.46 × 68,345.01
  4. Step 4: Simplify right side
    110,761.88x = 10,446,634,220.49
  5. Step 5: Solve for x
    x = 10,446,634,220.49/110,761.88
  6. Step 6: Final answer
    x = 94,316.16

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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.