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Finding the Fourth Proportional to 304,125.65, 419,685.96 and 168,156.15

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Solution

The fourth proportional to 304,125.65, 419,685.96 and 168,156.15 is: 232,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,125.65 : 419,685.96 = 168,156.15 : x
  2. Step 2: Convert to fraction form
    304,125.65/419,685.96 = 168,156.15/x
  3. Step 3: Cross multiply
    304,125.65x = 419,685.96 × 168,156.15
  4. Step 4: Simplify right side
    304,125.65x = 70,572,775,242.65
  5. Step 5: Solve for x
    x = 70,572,775,242.65/304,125.65
  6. Step 6: Final answer
    x = 232,051.37

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1.5x scale

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.