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Finding the Fourth Proportional to 111,834,660.40, 167,652,263.40 and 43,661,496.40

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Solution

The fourth proportional to 111,834,660.40, 167,652,263.40 and 43,661,496.40 is: 65,453,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,834,660.40 : 167,652,263.40 = 43,661,496.40 : x
  2. Step 2: Convert to fraction form
    111,834,660.40/167,652,263.40 = 43,661,496.40/x
  3. Step 3: Cross multiply
    111,834,660.40x = 167,652,263.40 × 43,661,496.40
  4. Step 4: Simplify right side
    111,834,660.40x = 7,319,948,694,890,952
  5. Step 5: Solve for x
    x = 7,319,948,694,890,952/111,834,660.40
  6. Step 6: Final answer
    x = 65,453,309.99

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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.