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Finding the Fourth Proportional to 148,674.40, 223,011.60 and 123,742.60

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Solution

The fourth proportional to 148,674.40, 223,011.60 and 123,742.60 is: 185,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,674.40 : 223,011.60 = 123,742.60 : x
  2. Step 2: Convert to fraction form
    148,674.40/223,011.60 = 123,742.60/x
  3. Step 3: Cross multiply
    148,674.40x = 223,011.60 × 123,742.60
  4. Step 4: Simplify right side
    148,674.40x = 27,596,035,214.16
  5. Step 5: Solve for x
    x = 27,596,035,214.16/148,674.40
  6. Step 6: Final answer
    x = 185,613.90

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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.