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Finding the Fourth Proportional to 240,187.68, 360,280.80 and 168,816.48

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Solution

The fourth proportional to 240,187.68, 360,280.80 and 168,816.48 is: 253,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,187.68 : 360,280.80 = 168,816.48 : x
  2. Step 2: Convert to fraction form
    240,187.68/360,280.80 = 168,816.48/x
  3. Step 3: Cross multiply
    240,187.68x = 360,280.80 × 168,816.48
  4. Step 4: Simplify right side
    240,187.68x = 60,821,336,467.58
  5. Step 5: Solve for x
    x = 60,821,336,467.58/240,187.68
  6. Step 6: Final answer
    x = 253,224.21

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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.