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Finding the Fourth Proportional to 120,873.60, 181,283.06 and 45,967.06

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Solution

The fourth proportional to 120,873.60, 181,283.06 and 45,967.06 is: 68,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,873.60 : 181,283.06 = 45,967.06 : x
  2. Step 2: Convert to fraction form
    120,873.60/181,283.06 = 45,967.06/x
  3. Step 3: Cross multiply
    120,873.60x = 181,283.06 × 45,967.06
  4. Step 4: Simplify right side
    120,873.60x = 8,333,049,296.00
  5. Step 5: Solve for x
    x = 8,333,049,296.00/120,873.60
  6. Step 6: Final answer
    x = 68,940.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.