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Finding the Fourth Proportional to 336,114.65, 503,985.93 and 133,505.51

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Solution

The fourth proportional to 336,114.65, 503,985.93 and 133,505.51 is: 200,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,114.65 : 503,985.93 = 133,505.51 : x
  2. Step 2: Convert to fraction form
    336,114.65/503,985.93 = 133,505.51/x
  3. Step 3: Cross multiply
    336,114.65x = 503,985.93 × 133,505.51
  4. Step 4: Simplify right side
    336,114.65x = 67,284,896,097.54
  5. Step 5: Solve for x
    x = 67,284,896,097.54/336,114.65
  6. Step 6: Final answer
    x = 200,184.36

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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.