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Finding the Fourth Proportional to 102,848.80, 154,330.80 and 43,674.40

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Solution

The fourth proportional to 102,848.80, 154,330.80 and 43,674.40 is: 65,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.80 : 154,330.80 = 43,674.40 : x
  2. Step 2: Convert to fraction form
    102,848.80/154,330.80 = 43,674.40/x
  3. Step 3: Cross multiply
    102,848.80x = 154,330.80 × 43,674.40
  4. Step 4: Simplify right side
    102,848.80x = 6,740,305,091.52
  5. Step 5: Solve for x
    x = 6,740,305,091.52/102,848.80
  6. Step 6: Final answer
    x = 65,536.06

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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.