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Finding the Fourth Proportional to 114,007.50, 157,330.35 and 63,706.50

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Solution

The fourth proportional to 114,007.50, 157,330.35 and 63,706.50 is: 87,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,007.50 : 157,330.35 = 63,706.50 : x
  2. Step 2: Convert to fraction form
    114,007.50/157,330.35 = 63,706.50/x
  3. Step 3: Cross multiply
    114,007.50x = 157,330.35 × 63,706.50
  4. Step 4: Simplify right side
    114,007.50x = 10,022,965,942.28
  5. Step 5: Solve for x
    x = 10,022,965,942.28/114,007.50
  6. Step 6: Final answer
    x = 87,914.97

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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.