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Finding the Fourth Proportional to 133,478.70, 200,159.01 and 39,967.02

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Solution

The fourth proportional to 133,478.70, 200,159.01 and 39,967.02 is: 59,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,478.70 : 200,159.01 = 39,967.02 : x
  2. Step 2: Convert to fraction form
    133,478.70/200,159.01 = 39,967.02/x
  3. Step 3: Cross multiply
    133,478.70x = 200,159.01 × 39,967.02
  4. Step 4: Simplify right side
    133,478.70x = 7,999,759,155.85
  5. Step 5: Solve for x
    x = 7,999,759,155.85/133,478.70
  6. Step 6: Final answer
    x = 59,932.85

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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.