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Finding the Fourth Proportional to 269,699,124.80, 404,548,687.20 and 97,181,566.40

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Solution

The fourth proportional to 269,699,124.80, 404,548,687.20 and 97,181,566.40 is: 145,772,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,699,124.80 : 404,548,687.20 = 97,181,566.40 : x
  2. Step 2: Convert to fraction form
    269,699,124.80/404,548,687.20 = 97,181,566.40/x
  3. Step 3: Cross multiply
    269,699,124.80x = 404,548,687.20 × 97,181,566.40
  4. Step 4: Simplify right side
    269,699,124.80x = 39,314,675,107,159,632
  5. Step 5: Solve for x
    x = 39,314,675,107,159,632/269,699,124.80
  6. Step 6: Final answer
    x = 145,772,349.60

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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.