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Finding the Fourth Proportional to 108,763.32, 163,110.42 and 73,926.84

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Solution

The fourth proportional to 108,763.32, 163,110.42 and 73,926.84 is: 110,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,763.32 : 163,110.42 = 73,926.84 : x
  2. Step 2: Convert to fraction form
    108,763.32/163,110.42 = 73,926.84/x
  3. Step 3: Cross multiply
    108,763.32x = 163,110.42 × 73,926.84
  4. Step 4: Simplify right side
    108,763.32x = 12,058,237,921.67
  5. Step 5: Solve for x
    x = 12,058,237,921.67/108,763.32
  6. Step 6: Final answer
    x = 110,866.77

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1.5x scale

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.