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Finding the Fourth Proportional to 126,535.68, 174,612.42 and 69,943.68

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Solution

The fourth proportional to 126,535.68, 174,612.42 and 69,943.68 is: 96,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,535.68 : 174,612.42 = 69,943.68 : x
  2. Step 2: Convert to fraction form
    126,535.68/174,612.42 = 69,943.68/x
  3. Step 3: Cross multiply
    126,535.68x = 174,612.42 × 69,943.68
  4. Step 4: Simplify right side
    126,535.68x = 12,213,035,228.51
  5. Step 5: Solve for x
    x = 12,213,035,228.51/126,535.68
  6. Step 6: Final answer
    x = 96,518.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.