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Finding the Fourth Proportional to 114,378.48, 157,837.96 and 63,389.88

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Solution

The fourth proportional to 114,378.48, 157,837.96 and 63,389.88 is: 87,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,378.48 : 157,837.96 = 63,389.88 : x
  2. Step 2: Convert to fraction form
    114,378.48/157,837.96 = 63,389.88/x
  3. Step 3: Cross multiply
    114,378.48x = 157,837.96 × 63,389.88
  4. Step 4: Simplify right side
    114,378.48x = 10,005,329,343.84
  5. Step 5: Solve for x
    x = 10,005,329,343.84/114,378.48
  6. Step 6: Final answer
    x = 87,475.63

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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.