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Finding the Fourth Proportional to 163,955.96, 245,637.29 and 75,283.64

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Solution

The fourth proportional to 163,955.96, 245,637.29 and 75,283.64 is: 112,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,955.96 : 245,637.29 = 75,283.64 : x
  2. Step 2: Convert to fraction form
    163,955.96/245,637.29 = 75,283.64/x
  3. Step 3: Cross multiply
    163,955.96x = 245,637.29 × 75,283.64
  4. Step 4: Simplify right side
    163,955.96x = 18,492,467,706.33
  5. Step 5: Solve for x
    x = 18,492,467,706.33/163,955.96
  6. Step 6: Final answer
    x = 112,789.24

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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.