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Finding the Fourth Proportional to 79,968,300.74, 119,996,713.25 and 39,028,079.00

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Solution

The fourth proportional to 79,968,300.74, 119,996,713.25 and 39,028,079.00 is: 58,563,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968,300.74 : 119,996,713.25 = 39,028,079.00 : x
  2. Step 2: Convert to fraction form
    79,968,300.74/119,996,713.25 = 39,028,079.00/x
  3. Step 3: Cross multiply
    79,968,300.74x = 119,996,713.25 × 39,028,079.00
  4. Step 4: Simplify right side
    79,968,300.74x = 4,683,241,205,047,217
  5. Step 5: Solve for x
    x = 4,683,241,205,047,217/79,968,300.74
  6. Step 6: Final answer
    x = 58,563,720.40

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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.