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Finding the Fourth Proportional to 133,152.56, 183,756.00 and 76,563.94

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Solution

The fourth proportional to 133,152.56, 183,756.00 and 76,563.94 is: 105,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,152.56 : 183,756.00 = 76,563.94 : x
  2. Step 2: Convert to fraction form
    133,152.56/183,756.00 = 76,563.94/x
  3. Step 3: Cross multiply
    133,152.56x = 183,756.00 × 76,563.94
  4. Step 4: Simplify right side
    133,152.56x = 14,069,083,186.36
  5. Step 5: Solve for x
    x = 14,069,083,186.36/133,152.56
  6. Step 6: Final answer
    x = 105,661.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.