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Finding the Fourth Proportional to 199,740,246, 299,610,369 and 56,133,078

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Solution

The fourth proportional to 199,740,246, 299,610,369 and 56,133,078 is: 84,199,617

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,740,246 : 299,610,369 = 56,133,078 : x
  2. Step 2: Convert to fraction form
    199,740,246/299,610,369 = 56,133,078/x
  3. Step 3: Cross multiply
    199,740,246x = 299,610,369 × 56,133,078
  4. Step 4: Simplify right side
    199,740,246x = 16,818,052,212,685,782
  5. Step 5: Solve for x
    x = 16,818,052,212,685,782/199,740,246
  6. Step 6: Final answer
    x = 84,199,617

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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.