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Finding the Fourth Proportional to 114,312.38, 171,405.93 and 35,404.70

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Solution

The fourth proportional to 114,312.38, 171,405.93 and 35,404.70 is: 53,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,312.38 : 171,405.93 = 35,404.70 : x
  2. Step 2: Convert to fraction form
    114,312.38/171,405.93 = 35,404.70/x
  3. Step 3: Cross multiply
    114,312.38x = 171,405.93 × 35,404.70
  4. Step 4: Simplify right side
    114,312.38x = 6,068,575,529.87
  5. Step 5: Solve for x
    x = 6,068,575,529.87/114,312.38
  6. Step 6: Final answer
    x = 53,087.65

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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.