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Finding the Fourth Proportional to 88,703.25, 122,415.48 and 50,979.93

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Solution

The fourth proportional to 88,703.25, 122,415.48 and 50,979.93 is: 70,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,703.25 : 122,415.48 = 50,979.93 : x
  2. Step 2: Convert to fraction form
    88,703.25/122,415.48 = 50,979.93/x
  3. Step 3: Cross multiply
    88,703.25x = 122,415.48 × 50,979.93
  4. Step 4: Simplify right side
    88,703.25x = 6,240,732,601.32
  5. Step 5: Solve for x
    x = 6,240,732,601.32/88,703.25
  6. Step 6: Final answer
    x = 70,355.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.