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Finding the Fourth Proportional to 167,354.84, 230,955 and 91,903.34

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Solution

The fourth proportional to 167,354.84, 230,955 and 91,903.34 is: 126,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,354.84 : 230,955 = 91,903.34 : x
  2. Step 2: Convert to fraction form
    167,354.84/230,955 = 91,903.34/x
  3. Step 3: Cross multiply
    167,354.84x = 230,955 × 91,903.34
  4. Step 4: Simplify right side
    167,354.84x = 21,225,535,889.70
  5. Step 5: Solve for x
    x = 21,225,535,889.70/167,354.84
  6. Step 6: Final answer
    x = 126,829.53

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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.