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Finding the Fourth Proportional to 133,156.96, 183,756.84 and 75,794.32

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Solution

The fourth proportional to 133,156.96, 183,756.84 and 75,794.32 is: 104,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,156.96 : 183,756.84 = 75,794.32 : x
  2. Step 2: Convert to fraction form
    133,156.96/183,756.84 = 75,794.32/x
  3. Step 3: Cross multiply
    133,156.96x = 183,756.84 × 75,794.32
  4. Step 4: Simplify right side
    133,156.96x = 13,927,724,733.15
  5. Step 5: Solve for x
    x = 13,927,724,733.15/133,156.96
  6. Step 6: Final answer
    x = 104,596.30

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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.