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Finding the Fourth Proportional to 114,642.48, 158,211.54 and 63,655.20

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Solution

The fourth proportional to 114,642.48, 158,211.54 and 63,655.20 is: 87,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,642.48 : 158,211.54 = 63,655.20 : x
  2. Step 2: Convert to fraction form
    114,642.48/158,211.54 = 63,655.20/x
  3. Step 3: Cross multiply
    114,642.48x = 158,211.54 × 63,655.20
  4. Step 4: Simplify right side
    114,642.48x = 10,070,987,221.01
  5. Step 5: Solve for x
    x = 10,070,987,221.01/114,642.48
  6. Step 6: Final answer
    x = 87,846.91

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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.