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Finding the Fourth Proportional to 168,322.50, 232,285.06 and 92,871

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Solution

The fourth proportional to 168,322.50, 232,285.06 and 92,871 is: 128,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,322.50 : 232,285.06 = 92,871 : x
  2. Step 2: Convert to fraction form
    168,322.50/232,285.06 = 92,871/x
  3. Step 3: Cross multiply
    168,322.50x = 232,285.06 × 92,871
  4. Step 4: Simplify right side
    168,322.50x = 21,572,545,400.95
  5. Step 5: Solve for x
    x = 21,572,545,400.95/168,322.50
  6. Step 6: Final answer
    x = 128,161.98

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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.