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Finding the Fourth Proportional to 126,291.59, 174,269.99 and 69,699.32

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Solution

The fourth proportional to 126,291.59, 174,269.99 and 69,699.32 is: 96,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,291.59 : 174,269.99 = 69,699.32 : x
  2. Step 2: Convert to fraction form
    126,291.59/174,269.99 = 69,699.32/x
  3. Step 3: Cross multiply
    126,291.59x = 174,269.99 × 69,699.32
  4. Step 4: Simplify right side
    126,291.59x = 12,146,500,409.33
  5. Step 5: Solve for x
    x = 12,146,500,409.33/126,291.59
  6. Step 6: Final answer
    x = 96,178.22

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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.