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Finding the Fourth Proportional to 194,708.65, 291,570.90 and 155,342.65

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Solution

The fourth proportional to 194,708.65, 291,570.90 and 155,342.65 is: 232,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,708.65 : 291,570.90 = 155,342.65 : x
  2. Step 2: Convert to fraction form
    194,708.65/291,570.90 = 155,342.65/x
  3. Step 3: Cross multiply
    194,708.65x = 291,570.90 × 155,342.65
  4. Step 4: Simplify right side
    194,708.65x = 45,293,396,268.89
  5. Step 5: Solve for x
    x = 45,293,396,268.89/194,708.65
  6. Step 6: Final answer
    x = 232,621.39

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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.