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Finding the Fourth Proportional to 114,424.32, 157,914.86 and 63,453.03

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Solution

The fourth proportional to 114,424.32, 157,914.86 and 63,453.03 is: 87,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,424.32 : 157,914.86 = 63,453.03 : x
  2. Step 2: Convert to fraction form
    114,424.32/157,914.86 = 63,453.03/x
  3. Step 3: Cross multiply
    114,424.32x = 157,914.86 × 63,453.03
  4. Step 4: Simplify right side
    114,424.32x = 10,020,176,349.03
  5. Step 5: Solve for x
    x = 10,020,176,349.03/114,424.32
  6. Step 6: Final answer
    x = 87,570.34

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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.