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Finding the Fourth Proportional to 114,881.60, 171,933.60 and 100,884.80

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Solution

The fourth proportional to 114,881.60, 171,933.60 and 100,884.80 is: 150,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,881.60 : 171,933.60 = 100,884.80 : x
  2. Step 2: Convert to fraction form
    114,881.60/171,933.60 = 100,884.80/x
  3. Step 3: Cross multiply
    114,881.60x = 171,933.60 × 100,884.80
  4. Step 4: Simplify right side
    114,881.60x = 17,345,486,849.28
  5. Step 5: Solve for x
    x = 17,345,486,849.28/114,881.60
  6. Step 6: Final answer
    x = 150,985.77

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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.