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Finding the Fourth Proportional to 173,355.40, 260,033.10 and 163,678.60

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Solution

The fourth proportional to 173,355.40, 260,033.10 and 163,678.60 is: 245,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,355.40 : 260,033.10 = 163,678.60 : x
  2. Step 2: Convert to fraction form
    173,355.40/260,033.10 = 163,678.60/x
  3. Step 3: Cross multiply
    173,355.40x = 260,033.10 × 163,678.60
  4. Step 4: Simplify right side
    173,355.40x = 42,561,853,761.66
  5. Step 5: Solve for x
    x = 42,561,853,761.66/173,355.40
  6. Step 6: Final answer
    x = 245,517.90

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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.