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Finding the Fourth Proportional to 163,434.60, 244,495.80 and 141,491.70

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Solution

The fourth proportional to 163,434.60, 244,495.80 and 141,491.70 is: 211,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.60 : 244,495.80 = 141,491.70 : x
  2. Step 2: Convert to fraction form
    163,434.60/244,495.80 = 141,491.70/x
  3. Step 3: Cross multiply
    163,434.60x = 244,495.80 × 141,491.70
  4. Step 4: Simplify right side
    163,434.60x = 34,594,126,384.86
  5. Step 5: Solve for x
    x = 34,594,126,384.86/163,434.60
  6. Step 6: Final answer
    x = 211,669.54

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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.