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Finding the Fourth Proportional to 114,744.90, 158,347.65 and 63,757.42

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Solution

The fourth proportional to 114,744.90, 158,347.65 and 63,757.42 is: 87,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,744.90 : 158,347.65 = 63,757.42 : x
  2. Step 2: Convert to fraction form
    114,744.90/158,347.65 = 63,757.42/x
  3. Step 3: Cross multiply
    114,744.90x = 158,347.65 × 63,757.42
  4. Step 4: Simplify right side
    114,744.90x = 10,095,837,627.06
  5. Step 5: Solve for x
    x = 10,095,837,627.06/114,744.90
  6. Step 6: Final answer
    x = 87,985.07

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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.