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Finding the Fourth Proportional to 12,894,222.30, 19,341,333.45 and 12,894,222.30

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Solution

The fourth proportional to 12,894,222.30, 19,341,333.45 and 12,894,222.30 is: 19,341,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894,222.30 : 19,341,333.45 = 12,894,222.30 : x
  2. Step 2: Convert to fraction form
    12,894,222.30/19,341,333.45 = 12,894,222.30/x
  3. Step 3: Cross multiply
    12,894,222.30x = 19,341,333.45 × 12,894,222.30
  4. Step 4: Simplify right side
    12,894,222.30x = 249,391,453,082,725.94
  5. Step 5: Solve for x
    x = 249,391,453,082,725.94/12,894,222.30
  6. Step 6: Final answer
    x = 19,341,333.45

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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.