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Finding the Fourth Proportional to 163,283.76, 225,378.54 and 98,753.04

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Solution

The fourth proportional to 163,283.76, 225,378.54 and 98,753.04 is: 136,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,283.76 : 225,378.54 = 98,753.04 : x
  2. Step 2: Convert to fraction form
    163,283.76/225,378.54 = 98,753.04/x
  3. Step 3: Cross multiply
    163,283.76x = 225,378.54 × 98,753.04
  4. Step 4: Simplify right side
    163,283.76x = 22,256,815,975.76
  5. Step 5: Solve for x
    x = 22,256,815,975.76/163,283.76
  6. Step 6: Final answer
    x = 136,307.59

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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.