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Finding the Fourth Proportional to 173,272.40, 260,054.40 and 68,166.80

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Solution

The fourth proportional to 173,272.40, 260,054.40 and 68,166.80 is: 102,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.40 : 260,054.40 = 68,166.80 : x
  2. Step 2: Convert to fraction form
    173,272.40/260,054.40 = 68,166.80/x
  3. Step 3: Cross multiply
    173,272.40x = 260,054.40 × 68,166.80
  4. Step 4: Simplify right side
    173,272.40x = 17,727,076,273.92
  5. Step 5: Solve for x
    x = 17,727,076,273.92/173,272.40
  6. Step 6: Final answer
    x = 102,307.56

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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.