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Finding the Fourth Proportional to 148,809.40, 207,866.60 and 148,809.40

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Solution

The fourth proportional to 148,809.40, 207,866.60 and 148,809.40 is: 207,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,809.40 : 207,866.60 = 148,809.40 : x
  2. Step 2: Convert to fraction form
    148,809.40/207,866.60 = 148,809.40/x
  3. Step 3: Cross multiply
    148,809.40x = 207,866.60 × 148,809.40
  4. Step 4: Simplify right side
    148,809.40x = 30,932,504,026.04
  5. Step 5: Solve for x
    x = 30,932,504,026.04/148,809.40
  6. Step 6: Final answer
    x = 207,866.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.