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Finding the Fourth Proportional to 148,266.48, 222,405.92 and 43,085.48

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Solution

The fourth proportional to 148,266.48, 222,405.92 and 43,085.48 is: 64,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,266.48 : 222,405.92 = 43,085.48 : x
  2. Step 2: Convert to fraction form
    148,266.48/222,405.92 = 43,085.48/x
  3. Step 3: Cross multiply
    148,266.48x = 222,405.92 × 43,085.48
  4. Step 4: Simplify right side
    148,266.48x = 9,582,465,818.04
  5. Step 5: Solve for x
    x = 9,582,465,818.04/148,266.48
  6. Step 6: Final answer
    x = 64,630.02

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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.