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Finding the Fourth Proportional to 40,803,609.80, 61,238,875.80 and 40,484,745.20

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Solution

The fourth proportional to 40,803,609.80, 61,238,875.80 and 40,484,745.20 is: 60,760,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,609.80 : 61,238,875.80 = 40,484,745.20 : x
  2. Step 2: Convert to fraction form
    40,803,609.80/61,238,875.80 = 40,484,745.20/x
  3. Step 3: Cross multiply
    40,803,609.80x = 61,238,875.80 × 40,484,745.20
  4. Step 4: Simplify right side
    40,803,609.80x = 2,479,240,283,097,446
  5. Step 5: Solve for x
    x = 2,479,240,283,097,446/40,803,609.80
  6. Step 6: Final answer
    x = 60,760,317.41

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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.