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Finding the Fourth Proportional to 245,280.70, 367,726.65 and 134,472.70

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Solution

The fourth proportional to 245,280.70, 367,726.65 and 134,472.70 is: 201,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,280.70 : 367,726.65 = 134,472.70 : x
  2. Step 2: Convert to fraction form
    245,280.70/367,726.65 = 134,472.70/x
  3. Step 3: Cross multiply
    245,280.70x = 367,726.65 × 134,472.70
  4. Step 4: Simplify right side
    245,280.70x = 49,449,195,487.46
  5. Step 5: Solve for x
    x = 49,449,195,487.46/245,280.70
  6. Step 6: Final answer
    x = 201,602.47

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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.