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Finding the Fourth Proportional to 108,803.73, 163,153.10 and 45,606.88

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Solution

The fourth proportional to 108,803.73, 163,153.10 and 45,606.88 is: 68,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.73 : 163,153.10 = 45,606.88 : x
  2. Step 2: Convert to fraction form
    108,803.73/163,153.10 = 45,606.88/x
  3. Step 3: Cross multiply
    108,803.73x = 163,153.10 × 45,606.88
  4. Step 4: Simplify right side
    108,803.73x = 7,440,904,361.79
  5. Step 5: Solve for x
    x = 7,440,904,361.79/108,803.73
  6. Step 6: Final answer
    x = 68,388.32

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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.