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Finding the Fourth Proportional to 148,973.80, 208,839.80 and 148,973.80

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Solution

The fourth proportional to 148,973.80, 208,839.80 and 148,973.80 is: 208,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,973.80 : 208,839.80 = 148,973.80 : x
  2. Step 2: Convert to fraction form
    148,973.80/208,839.80 = 148,973.80/x
  3. Step 3: Cross multiply
    148,973.80x = 208,839.80 × 148,973.80
  4. Step 4: Simplify right side
    148,973.80x = 31,111,658,597.24
  5. Step 5: Solve for x
    x = 31,111,658,597.24/148,973.80
  6. Step 6: Final answer
    x = 208,839.80

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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.