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Finding the Fourth Proportional to 133,671.59, 200,441.75 and 66,125.58

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Solution

The fourth proportional to 133,671.59, 200,441.75 and 66,125.58 is: 99,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,671.59 : 200,441.75 = 66,125.58 : x
  2. Step 2: Convert to fraction form
    133,671.59/200,441.75 = 66,125.58/x
  3. Step 3: Cross multiply
    133,671.59x = 200,441.75 × 66,125.58
  4. Step 4: Simplify right side
    133,671.59x = 13,254,326,644.34
  5. Step 5: Solve for x
    x = 13,254,326,644.34/133,671.59
  6. Step 6: Final answer
    x = 99,155.90

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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.