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Finding the Fourth Proportional to 114,440.50, 157,929.80 and 63,455.37

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Solution

The fourth proportional to 114,440.50, 157,929.80 and 63,455.37 is: 87,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,440.50 : 157,929.80 = 63,455.37 : x
  2. Step 2: Convert to fraction form
    114,440.50/157,929.80 = 63,455.37/x
  3. Step 3: Cross multiply
    114,440.50x = 157,929.80 × 63,455.37
  4. Step 4: Simplify right side
    114,440.50x = 10,021,493,893.03
  5. Step 5: Solve for x
    x = 10,021,493,893.03/114,440.50
  6. Step 6: Final answer
    x = 87,569.47

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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.