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Finding the Fourth Proportional to 189,969,162.90, 284,953,744.35 and 179,387,582.10

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Solution

The fourth proportional to 189,969,162.90, 284,953,744.35 and 179,387,582.10 is: 269,081,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,969,162.90 : 284,953,744.35 = 179,387,582.10 : x
  2. Step 2: Convert to fraction form
    189,969,162.90/284,953,744.35 = 179,387,582.10/x
  3. Step 3: Cross multiply
    189,969,162.90x = 284,953,744.35 × 179,387,582.10
  4. Step 4: Simplify right side
    189,969,162.90x = 51,117,163,209,288,040
  5. Step 5: Solve for x
    x = 51,117,163,209,288,040/189,969,162.90
  6. Step 6: Final answer
    x = 269,081,373.15

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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.