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Finding the Fourth Proportional to 176,756.67, 265,135.55 and 43,636.94

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Solution

The fourth proportional to 176,756.67, 265,135.55 and 43,636.94 is: 65,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,756.67 : 265,135.55 = 43,636.94 : x
  2. Step 2: Convert to fraction form
    176,756.67/265,135.55 = 43,636.94/x
  3. Step 3: Cross multiply
    176,756.67x = 265,135.55 × 43,636.94
  4. Step 4: Simplify right side
    176,756.67x = 11,569,704,278.65
  5. Step 5: Solve for x
    x = 11,569,704,278.65/176,756.67
  6. Step 6: Final answer
    x = 65,455.55

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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.