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Finding the Fourth Proportional to 240,355.80, 360,533.70 and 100,096.20

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Solution

The fourth proportional to 240,355.80, 360,533.70 and 100,096.20 is: 150,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,355.80 : 360,533.70 = 100,096.20 : x
  2. Step 2: Convert to fraction form
    240,355.80/360,533.70 = 100,096.20/x
  3. Step 3: Cross multiply
    240,355.80x = 360,533.70 × 100,096.20
  4. Step 4: Simplify right side
    240,355.80x = 36,088,053,341.94
  5. Step 5: Solve for x
    x = 36,088,053,341.94/240,355.80
  6. Step 6: Final answer
    x = 150,144.30

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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.