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Finding the Fourth Proportional to 84,994,530.90, 127,491,796.35 and 27,528,044.10

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Solution

The fourth proportional to 84,994,530.90, 127,491,796.35 and 27,528,044.10 is: 41,292,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,994,530.90 : 127,491,796.35 = 27,528,044.10 : x
  2. Step 2: Convert to fraction form
    84,994,530.90/127,491,796.35 = 27,528,044.10/x
  3. Step 3: Cross multiply
    84,994,530.90x = 127,491,796.35 × 27,528,044.10
  4. Step 4: Simplify right side
    84,994,530.90x = 3,509,599,792,311,019
  5. Step 5: Solve for x
    x = 3,509,599,792,311,019/84,994,530.90
  6. Step 6: Final answer
    x = 41,292,066.15

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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.