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Finding the Fourth Proportional to 168,615.04, 232,688.28 and 93,163

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Solution

The fourth proportional to 168,615.04, 232,688.28 and 93,163 is: 128,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,615.04 : 232,688.28 = 93,163 : x
  2. Step 2: Convert to fraction form
    168,615.04/232,688.28 = 93,163/x
  3. Step 3: Cross multiply
    168,615.04x = 232,688.28 × 93,163
  4. Step 4: Simplify right side
    168,615.04x = 21,677,938,229.64
  5. Step 5: Solve for x
    x = 21,677,938,229.64/168,615.04
  6. Step 6: Final answer
    x = 128,564.68

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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.