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Finding the Fourth Proportional to 183,168,082.80, 274,668,143.40 and 80,879,468.40

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Solution

The fourth proportional to 183,168,082.80, 274,668,143.40 and 80,879,468.40 is: 121,282,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,168,082.80 : 274,668,143.40 = 80,879,468.40 : x
  2. Step 2: Convert to fraction form
    183,168,082.80/274,668,143.40 = 80,879,468.40/x
  3. Step 3: Cross multiply
    183,168,082.80x = 274,668,143.40 × 80,879,468.40
  4. Step 4: Simplify right side
    183,168,082.80x = 22,215,013,424,606,968
  5. Step 5: Solve for x
    x = 22,215,013,424,606,968/183,168,082.80
  6. Step 6: Final answer
    x = 121,282,120.14

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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.