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Finding the Fourth Proportional to 173,497.20, 260,634.60 and 166,412.40

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Solution

The fourth proportional to 173,497.20, 260,634.60 and 166,412.40 is: 249,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,497.20 : 260,634.60 = 166,412.40 : x
  2. Step 2: Convert to fraction form
    173,497.20/260,634.60 = 166,412.40/x
  3. Step 3: Cross multiply
    173,497.20x = 260,634.60 × 166,412.40
  4. Step 4: Simplify right side
    173,497.20x = 43,372,829,309.04
  5. Step 5: Solve for x
    x = 43,372,829,309.04/173,497.20
  6. Step 6: Final answer
    x = 249,991.52

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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.