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Finding the Fourth Proportional to 177,320.80, 265,981.20 and 160,991.20

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Solution

The fourth proportional to 177,320.80, 265,981.20 and 160,991.20 is: 241,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320.80 : 265,981.20 = 160,991.20 : x
  2. Step 2: Convert to fraction form
    177,320.80/265,981.20 = 160,991.20/x
  3. Step 3: Cross multiply
    177,320.80x = 265,981.20 × 160,991.20
  4. Step 4: Simplify right side
    177,320.80x = 42,820,632,565.44
  5. Step 5: Solve for x
    x = 42,820,632,565.44/177,320.80
  6. Step 6: Final answer
    x = 241,486.80

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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.