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Finding the Fourth Proportional to 117,532.53, 176,261.54 and 38,628.45

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Solution

The fourth proportional to 117,532.53, 176,261.54 and 38,628.45 is: 57,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,532.53 : 176,261.54 = 38,628.45 : x
  2. Step 2: Convert to fraction form
    117,532.53/176,261.54 = 38,628.45/x
  3. Step 3: Cross multiply
    117,532.53x = 176,261.54 × 38,628.45
  4. Step 4: Simplify right side
    117,532.53x = 6,808,709,891.67
  5. Step 5: Solve for x
    x = 6,808,709,891.67/117,532.53
  6. Step 6: Final answer
    x = 57,930.43

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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.