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Finding the Fourth Proportional to 117,510.78, 176,247.90 and 38,624.46

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Solution

The fourth proportional to 117,510.78, 176,247.90 and 38,624.46 is: 57,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,510.78 : 176,247.90 = 38,624.46 : x
  2. Step 2: Convert to fraction form
    117,510.78/176,247.90 = 38,624.46/x
  3. Step 3: Cross multiply
    117,510.78x = 176,247.90 × 38,624.46
  4. Step 4: Simplify right side
    117,510.78x = 6,807,479,963.63
  5. Step 5: Solve for x
    x = 6,807,479,963.63/117,510.78
  6. Step 6: Final answer
    x = 57,930.68

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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.