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Finding the Fourth Proportional to 240,113.28, 331,376.28 and 132,704.28

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Solution

The fourth proportional to 240,113.28, 331,376.28 and 132,704.28 is: 183,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,113.28 : 331,376.28 = 132,704.28 : x
  2. Step 2: Convert to fraction form
    240,113.28/331,376.28 = 132,704.28/x
  3. Step 3: Cross multiply
    240,113.28x = 331,376.28 × 132,704.28
  4. Step 4: Simplify right side
    240,113.28x = 43,975,050,646.48
  5. Step 5: Solve for x
    x = 43,975,050,646.48/240,113.28
  6. Step 6: Final answer
    x = 183,142.93

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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.