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Finding the Fourth Proportional to 126,410.94, 189,543.06 and 59,850.51

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Solution

The fourth proportional to 126,410.94, 189,543.06 and 59,850.51 is: 89,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,410.94 : 189,543.06 = 59,850.51 : x
  2. Step 2: Convert to fraction form
    126,410.94/189,543.06 = 59,850.51/x
  3. Step 3: Cross multiply
    126,410.94x = 189,543.06 × 59,850.51
  4. Step 4: Simplify right side
    126,410.94x = 11,344,248,807.96
  5. Step 5: Solve for x
    x = 11,344,248,807.96/126,410.94
  6. Step 6: Final answer
    x = 89,741.04

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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.