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Finding the Fourth Proportional to 117,688.68, 176,534.24 and 46,628.60

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Solution

The fourth proportional to 117,688.68, 176,534.24 and 46,628.60 is: 69,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.68 : 176,534.24 = 46,628.60 : x
  2. Step 2: Convert to fraction form
    117,688.68/176,534.24 = 46,628.60/x
  3. Step 3: Cross multiply
    117,688.68x = 176,534.24 × 46,628.60
  4. Step 4: Simplify right side
    117,688.68x = 8,231,543,347.45
  5. Step 5: Solve for x
    x = 8,231,543,347.45/117,688.68
  6. Step 6: Final answer
    x = 69,943.37

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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.