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Finding the Fourth Proportional to 148,718.52, 223,061.46 and 43,538.52

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Solution

The fourth proportional to 148,718.52, 223,061.46 and 43,538.52 is: 65,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,718.52 : 223,061.46 = 43,538.52 : x
  2. Step 2: Convert to fraction form
    148,718.52/223,061.46 = 43,538.52/x
  3. Step 3: Cross multiply
    148,718.52x = 223,061.46 × 43,538.52
  4. Step 4: Simplify right side
    148,718.52x = 9,711,765,837.44
  5. Step 5: Solve for x
    x = 9,711,765,837.44/148,718.52
  6. Step 6: Final answer
    x = 65,303.00

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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.