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Finding the Fourth Proportional to 114,897.89, 158,556.80 and 63,909.53

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Solution

The fourth proportional to 114,897.89, 158,556.80 and 63,909.53 is: 88,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,897.89 : 158,556.80 = 63,909.53 : x
  2. Step 2: Convert to fraction form
    114,897.89/158,556.80 = 63,909.53/x
  3. Step 3: Cross multiply
    114,897.89x = 158,556.80 × 63,909.53
  4. Step 4: Simplify right side
    114,897.89x = 10,133,291,122.47
  5. Step 5: Solve for x
    x = 10,133,291,122.47/114,897.89
  6. Step 6: Final answer
    x = 88,193.88

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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.