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Finding the Fourth Proportional to 163,955.46, 245,636.54 and 75,283.14

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Solution

The fourth proportional to 163,955.46, 245,636.54 and 75,283.14 is: 112,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,955.46 : 245,636.54 = 75,283.14 : x
  2. Step 2: Convert to fraction form
    163,955.46/245,636.54 = 75,283.14/x
  3. Step 3: Cross multiply
    163,955.46x = 245,636.54 × 75,283.14
  4. Step 4: Simplify right side
    163,955.46x = 18,492,290,029.94
  5. Step 5: Solve for x
    x = 18,492,290,029.94/163,955.46
  6. Step 6: Final answer
    x = 112,788.50

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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.