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Finding the Fourth Proportional to 196,506,042.10, 294,759,063.15 and 123,804,913.30

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Solution

The fourth proportional to 196,506,042.10, 294,759,063.15 and 123,804,913.30 is: 185,707,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,506,042.10 : 294,759,063.15 = 123,804,913.30 : x
  2. Step 2: Convert to fraction form
    196,506,042.10/294,759,063.15 = 123,804,913.30/x
  3. Step 3: Cross multiply
    196,506,042.10x = 294,759,063.15 × 123,804,913.30
  4. Step 4: Simplify right side
    196,506,042.10x = 36,492,620,257,674,968
  5. Step 5: Solve for x
    x = 36,492,620,257,674,968/196,506,042.10
  6. Step 6: Final answer
    x = 185,707,369.95

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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.