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Finding the Fourth Proportional to 84,889,422.45, 127,334,133.68 and 84,889,422.45

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Solution

The fourth proportional to 84,889,422.45, 127,334,133.68 and 84,889,422.45 is: 127,334,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889,422.45 : 127,334,133.68 = 84,889,422.45 : x
  2. Step 2: Convert to fraction form
    84,889,422.45/127,334,133.68 = 84,889,422.45/x
  3. Step 3: Cross multiply
    84,889,422.45x = 127,334,133.68 × 84,889,422.45
  4. Step 4: Simplify right side
    84,889,422.45x = 10,809,321,065,841,846
  5. Step 5: Solve for x
    x = 10,809,321,065,841,846/84,889,422.45
  6. Step 6: Final answer
    x = 127,334,133.68

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1.5x scale

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.