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Finding the Fourth Proportional to 161,532, 222,888.64 and 93,555.38

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Solution

The fourth proportional to 161,532, 222,888.64 and 93,555.38 is: 129,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532 : 222,888.64 = 93,555.38 : x
  2. Step 2: Convert to fraction form
    161,532/222,888.64 = 93,555.38/x
  3. Step 3: Cross multiply
    161,532x = 222,888.64 × 93,555.38
  4. Step 4: Simplify right side
    161,532x = 20,852,431,412.88
  5. Step 5: Solve for x
    x = 20,852,431,412.88/161,532
  6. Step 6: Final answer
    x = 129,091.64

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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.