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Finding the Fourth Proportional to 273,986,728.47, 411,048,677.16 and 79,898,165.91

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Solution

The fourth proportional to 273,986,728.47, 411,048,677.16 and 79,898,165.91 is: 119,867,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,986,728.47 : 411,048,677.16 = 79,898,165.91 : x
  2. Step 2: Convert to fraction form
    273,986,728.47/411,048,677.16 = 79,898,165.91/x
  3. Step 3: Cross multiply
    273,986,728.47x = 411,048,677.16 × 79,898,165.91
  4. Step 4: Simplify right side
    273,986,728.47x = 32,842,035,404,815,708
  5. Step 5: Solve for x
    x = 32,842,035,404,815,708/273,986,728.47
  6. Step 6: Final answer
    x = 119,867,249.00

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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.