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Finding the Fourth Proportional to 133,491.60, 200,237.40 and 121,244.40

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Solution

The fourth proportional to 133,491.60, 200,237.40 and 121,244.40 is: 181,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,491.60 : 200,237.40 = 121,244.40 : x
  2. Step 2: Convert to fraction form
    133,491.60/200,237.40 = 121,244.40/x
  3. Step 3: Cross multiply
    133,491.60x = 200,237.40 × 121,244.40
  4. Step 4: Simplify right side
    133,491.60x = 24,277,663,420.56
  5. Step 5: Solve for x
    x = 24,277,663,420.56/133,491.60
  6. Step 6: Final answer
    x = 181,866.60

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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.