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Finding the Fourth Proportional to 339,700.01, 509,623.32 and 103,061.75

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Solution

The fourth proportional to 339,700.01, 509,623.32 and 103,061.75 is: 154,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,700.01 : 509,623.32 = 103,061.75 : x
  2. Step 2: Convert to fraction form
    339,700.01/509,623.32 = 103,061.75/x
  3. Step 3: Cross multiply
    339,700.01x = 509,623.32 × 103,061.75
  4. Step 4: Simplify right side
    339,700.01x = 52,522,671,200.01
  5. Step 5: Solve for x
    x = 52,522,671,200.01/339,700.01
  6. Step 6: Final answer
    x = 154,614.87

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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.