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Finding the Fourth Proportional to 177,716.40, 266,720.40 and 171,884.40

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Solution

The fourth proportional to 177,716.40, 266,720.40 and 171,884.40 is: 257,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,716.40 : 266,720.40 = 171,884.40 : x
  2. Step 2: Convert to fraction form
    177,716.40/266,720.40 = 171,884.40/x
  3. Step 3: Cross multiply
    177,716.40x = 266,720.40 × 171,884.40
  4. Step 4: Simplify right side
    177,716.40x = 45,845,075,921.76
  5. Step 5: Solve for x
    x = 45,845,075,921.76/177,716.40
  6. Step 6: Final answer
    x = 257,967.62

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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.