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Finding the Fourth Proportional to 163,045.40, 244,568.10 and 115,806.20

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Solution

The fourth proportional to 163,045.40, 244,568.10 and 115,806.20 is: 173,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,045.40 : 244,568.10 = 115,806.20 : x
  2. Step 2: Convert to fraction form
    163,045.40/244,568.10 = 115,806.20/x
  3. Step 3: Cross multiply
    163,045.40x = 244,568.10 × 115,806.20
  4. Step 4: Simplify right side
    163,045.40x = 28,322,502,302.22
  5. Step 5: Solve for x
    x = 28,322,502,302.22/163,045.40
  6. Step 6: Final answer
    x = 173,709.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.