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Finding the Fourth Proportional to 133,060.32, 199,623.60 and 39,563.52

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Solution

The fourth proportional to 133,060.32, 199,623.60 and 39,563.52 is: 59,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.32 : 199,623.60 = 39,563.52 : x
  2. Step 2: Convert to fraction form
    133,060.32/199,623.60 = 39,563.52/x
  3. Step 3: Cross multiply
    133,060.32x = 199,623.60 × 39,563.52
  4. Step 4: Simplify right side
    133,060.32x = 7,897,812,291.07
  5. Step 5: Solve for x
    x = 7,897,812,291.07/133,060.32
  6. Step 6: Final answer
    x = 59,355.13

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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.