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Finding the Fourth Proportional to 180,578.67, 249,115.86 and 116,936.97

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Solution

The fourth proportional to 180,578.67, 249,115.86 and 116,936.97 is: 161,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,578.67 : 249,115.86 = 116,936.97 : x
  2. Step 2: Convert to fraction form
    180,578.67/249,115.86 = 116,936.97/x
  3. Step 3: Cross multiply
    180,578.67x = 249,115.86 × 116,936.97
  4. Step 4: Simplify right side
    180,578.67x = 29,130,853,847.34
  5. Step 5: Solve for x
    x = 29,130,853,847.34/180,578.67
  6. Step 6: Final answer
    x = 161,319.46

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1.5x scale

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.