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Finding the Fourth Proportional to 114,291, 157,726.44 and 66,536.64

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Solution

The fourth proportional to 114,291, 157,726.44 and 66,536.64 is: 91,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,291 : 157,726.44 = 66,536.64 : x
  2. Step 2: Convert to fraction form
    114,291/157,726.44 = 66,536.64/x
  3. Step 3: Cross multiply
    114,291x = 157,726.44 × 66,536.64
  4. Step 4: Simplify right side
    114,291x = 10,494,587,356.76
  5. Step 5: Solve for x
    x = 10,494,587,356.76/114,291
  6. Step 6: Final answer
    x = 91,823.39

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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.