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Finding the Fourth Proportional to 146,876.40, 220,168.80 and 67,852.80

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Solution

The fourth proportional to 146,876.40, 220,168.80 and 67,852.80 is: 101,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,876.40 : 220,168.80 = 67,852.80 : x
  2. Step 2: Convert to fraction form
    146,876.40/220,168.80 = 67,852.80/x
  3. Step 3: Cross multiply
    146,876.40x = 220,168.80 × 67,852.80
  4. Step 4: Simplify right side
    146,876.40x = 14,939,069,552.64
  5. Step 5: Solve for x
    x = 14,939,069,552.64/146,876.40
  6. Step 6: Final answer
    x = 101,711.84

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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.