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Finding the Fourth Proportional to 174,232.60, 260,960.10 and 143,128.60

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Solution

The fourth proportional to 174,232.60, 260,960.10 and 143,128.60 is: 214,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,232.60 : 260,960.10 = 143,128.60 : x
  2. Step 2: Convert to fraction form
    174,232.60/260,960.10 = 143,128.60/x
  3. Step 3: Cross multiply
    174,232.60x = 260,960.10 × 143,128.60
  4. Step 4: Simplify right side
    174,232.60x = 37,350,853,768.86
  5. Step 5: Solve for x
    x = 37,350,853,768.86/174,232.60
  6. Step 6: Final answer
    x = 214,373.51

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1.5x scale

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.