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Finding the Fourth Proportional to 117,125.88, 161,634.98 and 63,412.02

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Solution

The fourth proportional to 117,125.88, 161,634.98 and 63,412.02 is: 87,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,125.88 : 161,634.98 = 63,412.02 : x
  2. Step 2: Convert to fraction form
    117,125.88/161,634.98 = 63,412.02/x
  3. Step 3: Cross multiply
    117,125.88x = 161,634.98 × 63,412.02
  4. Step 4: Simplify right side
    117,125.88x = 10,249,600,584.46
  5. Step 5: Solve for x
    x = 10,249,600,584.46/117,125.88
  6. Step 6: Final answer
    x = 87,509.27

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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.