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Finding the Fourth Proportional to 110,543.77, 152,507.10 and 68,028.49

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Solution

The fourth proportional to 110,543.77, 152,507.10 and 68,028.49 is: 93,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.77 : 152,507.10 = 68,028.49 : x
  2. Step 2: Convert to fraction form
    110,543.77/152,507.10 = 68,028.49/x
  3. Step 3: Cross multiply
    110,543.77x = 152,507.10 × 68,028.49
  4. Step 4: Simplify right side
    110,543.77x = 10,374,827,727.28
  5. Step 5: Solve for x
    x = 10,374,827,727.28/110,543.77
  6. Step 6: Final answer
    x = 93,852.67

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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.