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Finding the Fourth Proportional to 167,756.50, 251,634.75 and 43,097.50

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Solution

The fourth proportional to 167,756.50, 251,634.75 and 43,097.50 is: 64,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756.50 : 251,634.75 = 43,097.50 : x
  2. Step 2: Convert to fraction form
    167,756.50/251,634.75 = 43,097.50/x
  3. Step 3: Cross multiply
    167,756.50x = 251,634.75 × 43,097.50
  4. Step 4: Simplify right side
    167,756.50x = 10,844,828,638.13
  5. Step 5: Solve for x
    x = 10,844,828,638.13/167,756.50
  6. Step 6: Final answer
    x = 64,646.25

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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.