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Finding the Fourth Proportional to 161,205.52, 222,461.62 and 93,220.60

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Solution

The fourth proportional to 161,205.52, 222,461.62 and 93,220.60 is: 128,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,205.52 : 222,461.62 = 93,220.60 : x
  2. Step 2: Convert to fraction form
    161,205.52/222,461.62 = 93,220.60/x
  3. Step 3: Cross multiply
    161,205.52x = 222,461.62 × 93,220.60
  4. Step 4: Simplify right side
    161,205.52x = 20,738,005,693.37
  5. Step 5: Solve for x
    x = 20,738,005,693.37/161,205.52
  6. Step 6: Final answer
    x = 128,643.27

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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.