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Finding the Fourth Proportional to 176,807.90, 265,217.17 and 43,688.15

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Solution

The fourth proportional to 176,807.90, 265,217.17 and 43,688.15 is: 65,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,807.90 : 265,217.17 = 43,688.15 : x
  2. Step 2: Convert to fraction form
    176,807.90/265,217.17 = 43,688.15/x
  3. Step 3: Cross multiply
    176,807.90x = 265,217.17 × 43,688.15
  4. Step 4: Simplify right side
    176,807.90x = 11,586,847,505.54
  5. Step 5: Solve for x
    x = 11,586,847,505.54/176,807.90
  6. Step 6: Final answer
    x = 65,533.54

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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.