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Finding the Fourth Proportional to 114,041, 157,381.44 and 63,740

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Solution

The fourth proportional to 114,041, 157,381.44 and 63,740 is: 87,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,041 : 157,381.44 = 63,740 : x
  2. Step 2: Convert to fraction form
    114,041/157,381.44 = 63,740/x
  3. Step 3: Cross multiply
    114,041x = 157,381.44 × 63,740
  4. Step 4: Simplify right side
    114,041x = 10,031,492,985.60
  5. Step 5: Solve for x
    x = 10,031,492,985.60/114,041
  6. Step 6: Final answer
    x = 87,963.92

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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.