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Finding the Fourth Proportional to 99,692,960.20, 139,771,698.20 and 99,692,960.20

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Solution

The fourth proportional to 99,692,960.20, 139,771,698.20 and 99,692,960.20 is: 139,771,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,692,960.20 : 139,771,698.20 = 99,692,960.20 : x
  2. Step 2: Convert to fraction form
    99,692,960.20/139,771,698.20 = 99,692,960.20/x
  3. Step 3: Cross multiply
    99,692,960.20x = 139,771,698.20 × 99,692,960.20
  4. Step 4: Simplify right side
    99,692,960.20x = 13,934,254,345,739,010
  5. Step 5: Solve for x
    x = 13,934,254,345,739,010/99,692,960.20
  6. Step 6: Final answer
    x = 139,771,698.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.