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Finding the Fourth Proportional to 124,392.29, 171,525.71 and 84,035.98

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Solution

The fourth proportional to 124,392.29, 171,525.71 and 84,035.98 is: 115,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392.29 : 171,525.71 = 84,035.98 : x
  2. Step 2: Convert to fraction form
    124,392.29/171,525.71 = 84,035.98/x
  3. Step 3: Cross multiply
    124,392.29x = 171,525.71 × 84,035.98
  4. Step 4: Simplify right side
    124,392.29x = 14,414,331,250.88
  5. Step 5: Solve for x
    x = 14,414,331,250.88/124,392.29
  6. Step 6: Final answer
    x = 115,878.01

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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.