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Finding the Fourth Proportional to 161,509.50, 222,866.55 and 93,548.55

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Solution

The fourth proportional to 161,509.50, 222,866.55 and 93,548.55 is: 129,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,509.50 : 222,866.55 = 93,548.55 : x
  2. Step 2: Convert to fraction form
    161,509.50/222,866.55 = 93,548.55/x
  3. Step 3: Cross multiply
    161,509.50x = 222,866.55 × 93,548.55
  4. Step 4: Simplify right side
    161,509.50x = 20,848,842,596.00
  5. Step 5: Solve for x
    x = 20,848,842,596.00/161,509.50
  6. Step 6: Final answer
    x = 129,087.41

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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.