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Finding the Fourth Proportional to 114,376.84, 157,846.32 and 63,388.50

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Solution

The fourth proportional to 114,376.84, 157,846.32 and 63,388.50 is: 87,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,376.84 : 157,846.32 = 63,388.50 : x
  2. Step 2: Convert to fraction form
    114,376.84/157,846.32 = 63,388.50/x
  3. Step 3: Cross multiply
    114,376.84x = 157,846.32 × 63,388.50
  4. Step 4: Simplify right side
    114,376.84x = 10,005,641,455.32
  5. Step 5: Solve for x
    x = 10,005,641,455.32/114,376.84
  6. Step 6: Final answer
    x = 87,479.61

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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.