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Finding the Fourth Proportional to 193,888.98, 290,833.47 and 60,779.52

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Solution

The fourth proportional to 193,888.98, 290,833.47 and 60,779.52 is: 91,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,888.98 : 290,833.47 = 60,779.52 : x
  2. Step 2: Convert to fraction form
    193,888.98/290,833.47 = 60,779.52/x
  3. Step 3: Cross multiply
    193,888.98x = 290,833.47 × 60,779.52
  4. Step 4: Simplify right side
    193,888.98x = 17,676,718,706.53
  5. Step 5: Solve for x
    x = 17,676,718,706.53/193,888.98
  6. Step 6: Final answer
    x = 91,169.28

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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.