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Finding the Fourth Proportional to 174,209.84, 261,326.91 and 69,028.50

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Solution

The fourth proportional to 174,209.84, 261,326.91 and 69,028.50 is: 103,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,209.84 : 261,326.91 = 69,028.50 : x
  2. Step 2: Convert to fraction form
    174,209.84/261,326.91 = 69,028.50/x
  3. Step 3: Cross multiply
    174,209.84x = 261,326.91 × 69,028.50
  4. Step 4: Simplify right side
    174,209.84x = 18,039,004,606.94
  5. Step 5: Solve for x
    x = 18,039,004,606.94/174,209.84
  6. Step 6: Final answer
    x = 103,547.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.