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Finding the Fourth Proportional to 163,506.40, 225,720.48 and 107,004.08

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Solution

The fourth proportional to 163,506.40, 225,720.48 and 107,004.08 is: 147,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,506.40 : 225,720.48 = 107,004.08 : x
  2. Step 2: Convert to fraction form
    163,506.40/225,720.48 = 107,004.08/x
  3. Step 3: Cross multiply
    163,506.40x = 225,720.48 × 107,004.08
  4. Step 4: Simplify right side
    163,506.40x = 24,153,012,299.56
  5. Step 5: Solve for x
    x = 24,153,012,299.56/163,506.40
  6. Step 6: Final answer
    x = 147,719.06

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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.