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Finding the Fourth Proportional to 114,546.61, 170,889.82 and 108,346.46

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Solution

The fourth proportional to 114,546.61, 170,889.82 and 108,346.46 is: 161,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,546.61 : 170,889.82 = 108,346.46 : x
  2. Step 2: Convert to fraction form
    114,546.61/170,889.82 = 108,346.46/x
  3. Step 3: Cross multiply
    114,546.61x = 170,889.82 × 108,346.46
  4. Step 4: Simplify right side
    114,546.61x = 18,515,307,047.04
  5. Step 5: Solve for x
    x = 18,515,307,047.04/114,546.61
  6. Step 6: Final answer
    x = 161,639.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.