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Finding the Fourth Proportional to 163,265.48, 244,968.69 and 84,435.07

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Solution

The fourth proportional to 163,265.48, 244,968.69 and 84,435.07 is: 126,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,265.48 : 244,968.69 = 84,435.07 : x
  2. Step 2: Convert to fraction form
    163,265.48/244,968.69 = 84,435.07/x
  3. Step 3: Cross multiply
    163,265.48x = 244,968.69 × 84,435.07
  4. Step 4: Simplify right side
    163,265.48x = 20,683,948,192.17
  5. Step 5: Solve for x
    x = 20,683,948,192.17/163,265.48
  6. Step 6: Final answer
    x = 126,689.05

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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.