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Finding the Fourth Proportional to 117,673.04, 162,389.76 and 63,958.07

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Solution

The fourth proportional to 117,673.04, 162,389.76 and 63,958.07 is: 88,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,673.04 : 162,389.76 = 63,958.07 : x
  2. Step 2: Convert to fraction form
    117,673.04/162,389.76 = 63,958.07/x
  3. Step 3: Cross multiply
    117,673.04x = 162,389.76 × 63,958.07
  4. Step 4: Simplify right side
    117,673.04x = 10,386,135,637.36
  5. Step 5: Solve for x
    x = 10,386,135,637.36/117,673.04
  6. Step 6: Final answer
    x = 88,262.66

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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.