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Finding the Fourth Proportional to 196,992,486.90, 295,488,730.35 and 60,660,155.70

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Solution

The fourth proportional to 196,992,486.90, 295,488,730.35 and 60,660,155.70 is: 90,990,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,486.90 : 295,488,730.35 = 60,660,155.70 : x
  2. Step 2: Convert to fraction form
    196,992,486.90/295,488,730.35 = 60,660,155.70/x
  3. Step 3: Cross multiply
    196,992,486.90x = 295,488,730.35 × 60,660,155.70
  4. Step 4: Simplify right side
    196,992,486.90x = 17,924,392,390,626,318
  5. Step 5: Solve for x
    x = 17,924,392,390,626,318/196,992,486.90
  6. Step 6: Final answer
    x = 90,990,233.55

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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.