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Finding the Fourth Proportional to 210,181.60, 290,057.61 and 114,693.54

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Solution

The fourth proportional to 210,181.60, 290,057.61 and 114,693.54 is: 158,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,181.60 : 290,057.61 = 114,693.54 : x
  2. Step 2: Convert to fraction form
    210,181.60/290,057.61 = 114,693.54/x
  3. Step 3: Cross multiply
    210,181.60x = 290,057.61 × 114,693.54
  4. Step 4: Simplify right side
    210,181.60x = 33,267,732,644.55
  5. Step 5: Solve for x
    x = 33,267,732,644.55/210,181.60
  6. Step 6: Final answer
    x = 158,280.90

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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.