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Finding the Fourth Proportional to 241,703.15, 362,427.13 and 81,724.10

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Solution

The fourth proportional to 241,703.15, 362,427.13 and 81,724.10 is: 122,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,703.15 : 362,427.13 = 81,724.10 : x
  2. Step 2: Convert to fraction form
    241,703.15/362,427.13 = 81,724.10/x
  3. Step 3: Cross multiply
    241,703.15x = 362,427.13 × 81,724.10
  4. Step 4: Simplify right side
    241,703.15x = 29,619,031,014.83
  5. Step 5: Solve for x
    x = 29,619,031,014.83/241,703.15
  6. Step 6: Final answer
    x = 122,543.01

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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.