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Finding the Fourth Proportional to 348,086.66, 522,130.40 and 95,369.34

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Solution

The fourth proportional to 348,086.66, 522,130.40 and 95,369.34 is: 143,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,086.66 : 522,130.40 = 95,369.34 : x
  2. Step 2: Convert to fraction form
    348,086.66/522,130.40 = 95,369.34/x
  3. Step 3: Cross multiply
    348,086.66x = 522,130.40 × 95,369.34
  4. Step 4: Simplify right side
    348,086.66x = 49,795,231,641.94
  5. Step 5: Solve for x
    x = 49,795,231,641.94/348,086.66
  6. Step 6: Final answer
    x = 143,054.12

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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.