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Finding the Fourth Proportional to 117,047.94, 161,525.75 and 63,332.72

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Solution

The fourth proportional to 117,047.94, 161,525.75 and 63,332.72 is: 87,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.94 : 161,525.75 = 63,332.72 : x
  2. Step 2: Convert to fraction form
    117,047.94/161,525.75 = 63,332.72/x
  3. Step 3: Cross multiply
    117,047.94x = 161,525.75 × 63,332.72
  4. Step 4: Simplify right side
    117,047.94x = 10,229,863,973.25
  5. Step 5: Solve for x
    x = 10,229,863,973.25/117,047.94
  6. Step 6: Final answer
    x = 87,398.92

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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.