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Finding the Fourth Proportional to 117,048.64, 161,525.96 and 63,332.48

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Solution

The fourth proportional to 117,048.64, 161,525.96 and 63,332.48 is: 87,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048.64 : 161,525.96 = 63,332.48 : x
  2. Step 2: Convert to fraction form
    117,048.64/161,525.96 = 63,332.48/x
  3. Step 3: Cross multiply
    117,048.64x = 161,525.96 × 63,332.48
  4. Step 4: Simplify right side
    117,048.64x = 10,229,839,631.18
  5. Step 5: Solve for x
    x = 10,229,839,631.18/117,048.64
  6. Step 6: Final answer
    x = 87,398.19

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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.