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Finding the Fourth Proportional to 108,737.64, 163,108.28 and 29,851.34

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Solution

The fourth proportional to 108,737.64, 163,108.28 and 29,851.34 is: 44,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,737.64 : 163,108.28 = 29,851.34 : x
  2. Step 2: Convert to fraction form
    108,737.64/163,108.28 = 29,851.34/x
  3. Step 3: Cross multiply
    108,737.64x = 163,108.28 × 29,851.34
  4. Step 4: Simplify right side
    108,737.64x = 4,868,999,982.18
  5. Step 5: Solve for x
    x = 4,868,999,982.18/108,737.64
  6. Step 6: Final answer
    x = 44,777.50

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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.