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Finding the Fourth Proportional to 222,912,277.80, 334,368,416.70 and 168,492,719.40

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Solution

The fourth proportional to 222,912,277.80, 334,368,416.70 and 168,492,719.40 is: 252,739,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,912,277.80 : 334,368,416.70 = 168,492,719.40 : x
  2. Step 2: Convert to fraction form
    222,912,277.80/334,368,416.70 = 168,492,719.40/x
  3. Step 3: Cross multiply
    222,912,277.80x = 334,368,416.70 × 168,492,719.40
  4. Step 4: Simplify right side
    222,912,277.80x = 56,338,643,811,255,376
  5. Step 5: Solve for x
    x = 56,338,643,811,255,376/222,912,277.80
  6. Step 6: Final answer
    x = 252,739,079.10

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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.