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Finding the Fourth Proportional to 174,677.65, 261,829.65 and 90,352.96

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Solution

The fourth proportional to 174,677.65, 261,829.65 and 90,352.96 is: 135,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,677.65 : 261,829.65 = 90,352.96 : x
  2. Step 2: Convert to fraction form
    174,677.65/261,829.65 = 90,352.96/x
  3. Step 3: Cross multiply
    174,677.65x = 261,829.65 × 90,352.96
  4. Step 4: Simplify right side
    174,677.65x = 23,657,083,893.26
  5. Step 5: Solve for x
    x = 23,657,083,893.26/174,677.65
  6. Step 6: Final answer
    x = 135,432.80

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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.