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Finding the Fourth Proportional to 221,304.40, 332,053.80 and 102,914.80

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Solution

The fourth proportional to 221,304.40, 332,053.80 and 102,914.80 is: 154,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,304.40 : 332,053.80 = 102,914.80 : x
  2. Step 2: Convert to fraction form
    221,304.40/332,053.80 = 102,914.80/x
  3. Step 3: Cross multiply
    221,304.40x = 332,053.80 × 102,914.80
  4. Step 4: Simplify right side
    221,304.40x = 34,173,250,416.24
  5. Step 5: Solve for x
    x = 34,173,250,416.24/221,304.40
  6. Step 6: Final answer
    x = 154,417.40

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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.