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Finding the Fourth Proportional to 133,200.74, 198,829.42 and 116,385.45

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Solution

The fourth proportional to 133,200.74, 198,829.42 and 116,385.45 is: 173,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,200.74 : 198,829.42 = 116,385.45 : x
  2. Step 2: Convert to fraction form
    133,200.74/198,829.42 = 116,385.45/x
  3. Step 3: Cross multiply
    133,200.74x = 198,829.42 × 116,385.45
  4. Step 4: Simplify right side
    133,200.74x = 23,140,850,483.37
  5. Step 5: Solve for x
    x = 23,140,850,483.37/133,200.74
  6. Step 6: Final answer
    x = 173,729.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.