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Finding the Fourth Proportional to 58,705,406.80, 87,883,927.80 and 43,626,187.60

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Solution

The fourth proportional to 58,705,406.80, 87,883,927.80 and 43,626,187.60 is: 65,309,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705,406.80 : 87,883,927.80 = 43,626,187.60 : x
  2. Step 2: Convert to fraction form
    58,705,406.80/87,883,927.80 = 43,626,187.60/x
  3. Step 3: Cross multiply
    58,705,406.80x = 87,883,927.80 × 43,626,187.60
  4. Step 4: Simplify right side
    58,705,406.80x = 3,834,040,721,227,655.50
  5. Step 5: Solve for x
    x = 3,834,040,721,227,655.50/58,705,406.80
  6. Step 6: Final answer
    x = 65,309,839.93

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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.