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Finding the Fourth Proportional to 240,561.12, 360,582.48 and 100,230.24

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Solution

The fourth proportional to 240,561.12, 360,582.48 and 100,230.24 is: 150,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,561.12 : 360,582.48 = 100,230.24 : x
  2. Step 2: Convert to fraction form
    240,561.12/360,582.48 = 100,230.24/x
  3. Step 3: Cross multiply
    240,561.12x = 360,582.48 × 100,230.24
  4. Step 4: Simplify right side
    240,561.12x = 36,141,268,510.20
  5. Step 5: Solve for x
    x = 36,141,268,510.20/240,561.12
  6. Step 6: Final answer
    x = 150,237.36

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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.