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Finding the Fourth Proportional to 167,053.53, 230,535.53 and 90,572.42

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Solution

The fourth proportional to 167,053.53, 230,535.53 and 90,572.42 is: 124,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,053.53 : 230,535.53 = 90,572.42 : x
  2. Step 2: Convert to fraction form
    167,053.53/230,535.53 = 90,572.42/x
  3. Step 3: Cross multiply
    167,053.53x = 230,535.53 × 90,572.42
  4. Step 4: Simplify right side
    167,053.53x = 20,880,160,971.56
  5. Step 5: Solve for x
    x = 20,880,160,971.56/167,053.53
  6. Step 6: Final answer
    x = 124,990.84

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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.