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Finding the Fourth Proportional to 161,596.68, 222,969.60 and 93,609.60

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Solution

The fourth proportional to 161,596.68, 222,969.60 and 93,609.60 is: 129,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,596.68 : 222,969.60 = 93,609.60 : x
  2. Step 2: Convert to fraction form
    161,596.68/222,969.60 = 93,609.60/x
  3. Step 3: Cross multiply
    161,596.68x = 222,969.60 × 93,609.60
  4. Step 4: Simplify right side
    161,596.68x = 20,872,095,068.16
  5. Step 5: Solve for x
    x = 20,872,095,068.16/161,596.68
  6. Step 6: Final answer
    x = 129,161.66

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1.5x scale

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.