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Finding the Fourth Proportional to 195,978.08, 293,927.16 and 55,699.04

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Solution

The fourth proportional to 195,978.08, 293,927.16 and 55,699.04 is: 83,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,978.08 : 293,927.16 = 55,699.04 : x
  2. Step 2: Convert to fraction form
    195,978.08/293,927.16 = 55,699.04/x
  3. Step 3: Cross multiply
    195,978.08x = 293,927.16 × 55,699.04
  4. Step 4: Simplify right side
    195,978.08x = 16,371,460,641.93
  5. Step 5: Solve for x
    x = 16,371,460,641.93/195,978.08
  6. Step 6: Final answer
    x = 83,537.20

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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.