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Finding the Fourth Proportional to 167,287.68, 230,857.36 and 99,318.32

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Solution

The fourth proportional to 167,287.68, 230,857.36 and 99,318.32 is: 137,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.68 : 230,857.36 = 99,318.32 : x
  2. Step 2: Convert to fraction form
    167,287.68/230,857.36 = 99,318.32/x
  3. Step 3: Cross multiply
    167,287.68x = 230,857.36 × 99,318.32
  4. Step 4: Simplify right side
    167,287.68x = 22,928,365,154.84
  5. Step 5: Solve for x
    x = 22,928,365,154.84/167,287.68
  6. Step 6: Final answer
    x = 137,059.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.