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Finding the Fourth Proportional to 108,753.97, 163,099.63 and 29,870.77

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Solution

The fourth proportional to 108,753.97, 163,099.63 and 29,870.77 is: 44,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753.97 : 163,099.63 = 29,870.77 : x
  2. Step 2: Convert to fraction form
    108,753.97/163,099.63 = 29,870.77/x
  3. Step 3: Cross multiply
    108,753.97x = 163,099.63 × 29,870.77
  4. Step 4: Simplify right side
    108,753.97x = 4,871,911,534.82
  5. Step 5: Solve for x
    x = 4,871,911,534.82/108,753.97
  6. Step 6: Final answer
    x = 44,797.55

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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.