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Finding the Fourth Proportional to 119,477,396.80, 179,216,095.20 and 119,477,396.80

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Solution

The fourth proportional to 119,477,396.80, 179,216,095.20 and 119,477,396.80 is: 179,216,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,477,396.80 : 179,216,095.20 = 119,477,396.80 : x
  2. Step 2: Convert to fraction form
    119,477,396.80/179,216,095.20 = 119,477,396.80/x
  3. Step 3: Cross multiply
    119,477,396.80x = 179,216,095.20 × 119,477,396.80
  4. Step 4: Simplify right side
    119,477,396.80x = 21,412,272,519,156,972
  5. Step 5: Solve for x
    x = 21,412,272,519,156,972/119,477,396.80
  6. Step 6: Final answer
    x = 179,216,095.20

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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.