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Finding the Fourth Proportional to 108,754.76, 163,105.14 and 29,865.08

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Solution

The fourth proportional to 108,754.76, 163,105.14 and 29,865.08 is: 44,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,754.76 : 163,105.14 = 29,865.08 : x
  2. Step 2: Convert to fraction form
    108,754.76/163,105.14 = 29,865.08/x
  3. Step 3: Cross multiply
    108,754.76x = 163,105.14 × 29,865.08
  4. Step 4: Simplify right side
    108,754.76x = 4,871,148,054.51
  5. Step 5: Solve for x
    x = 4,871,148,054.51/108,754.76
  6. Step 6: Final answer
    x = 44,790.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.