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Finding the Fourth Proportional to 110,668,595.80, 166,002,893.70 and 74,388,890.20

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Solution

The fourth proportional to 110,668,595.80, 166,002,893.70 and 74,388,890.20 is: 111,583,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,595.80 : 166,002,893.70 = 74,388,890.20 : x
  2. Step 2: Convert to fraction form
    110,668,595.80/166,002,893.70 = 74,388,890.20/x
  3. Step 3: Cross multiply
    110,668,595.80x = 166,002,893.70 × 74,388,890.20
  4. Step 4: Simplify right side
    110,668,595.80x = 12,348,771,032,331,572
  5. Step 5: Solve for x
    x = 12,348,771,032,331,572/110,668,595.80
  6. Step 6: Final answer
    x = 111,583,335.30

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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.