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Finding the Fourth Proportional to 114,744.48, 158,343.30 and 63,756.60

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Solution

The fourth proportional to 114,744.48, 158,343.30 and 63,756.60 is: 87,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,744.48 : 158,343.30 = 63,756.60 : x
  2. Step 2: Convert to fraction form
    114,744.48/158,343.30 = 63,756.60/x
  3. Step 3: Cross multiply
    114,744.48x = 158,343.30 × 63,756.60
  4. Step 4: Simplify right side
    114,744.48x = 10,095,430,440.78
  5. Step 5: Solve for x
    x = 10,095,430,440.78/114,744.48
  6. Step 6: Final answer
    x = 87,981.84

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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.