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Finding the Fourth Proportional to 161,438.00, 222,765.12 and 93,476.30

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Solution

The fourth proportional to 161,438.00, 222,765.12 and 93,476.30 is: 128,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,438.00 : 222,765.12 = 93,476.30 : x
  2. Step 2: Convert to fraction form
    161,438.00/222,765.12 = 93,476.30/x
  3. Step 3: Cross multiply
    161,438.00x = 222,765.12 × 93,476.30
  4. Step 4: Simplify right side
    161,438.00x = 20,823,258,072.83
  5. Step 5: Solve for x
    x = 20,823,258,072.83/161,438.00
  6. Step 6: Final answer
    x = 128,986.10

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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.