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Finding the Fourth Proportional to 174,880.80, 261,716.40 and 104,810.40

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Solution

The fourth proportional to 174,880.80, 261,716.40 and 104,810.40 is: 156,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,880.80 : 261,716.40 = 104,810.40 : x
  2. Step 2: Convert to fraction form
    174,880.80/261,716.40 = 104,810.40/x
  3. Step 3: Cross multiply
    174,880.80x = 261,716.40 × 104,810.40
  4. Step 4: Simplify right side
    174,880.80x = 27,430,600,570.56
  5. Step 5: Solve for x
    x = 27,430,600,570.56/174,880.80
  6. Step 6: Final answer
    x = 156,853.13

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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.