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Finding the Fourth Proportional to 174,175.90, 240,372.25 and 97,719.21

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Solution

The fourth proportional to 174,175.90, 240,372.25 and 97,719.21 is: 134,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,175.90 : 240,372.25 = 97,719.21 : x
  2. Step 2: Convert to fraction form
    174,175.90/240,372.25 = 97,719.21/x
  3. Step 3: Cross multiply
    174,175.90x = 240,372.25 × 97,719.21
  4. Step 4: Simplify right side
    174,175.90x = 23,488,986,131.62
  5. Step 5: Solve for x
    x = 23,488,986,131.62/174,175.90
  6. Step 6: Final answer
    x = 134,857.84

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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.