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Finding the Fourth Proportional to 74,443,226.80, 111,668,339.40 and 23,326,913.20

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Solution

The fourth proportional to 74,443,226.80, 111,668,339.40 and 23,326,913.20 is: 34,991,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443,226.80 : 111,668,339.40 = 23,326,913.20 : x
  2. Step 2: Convert to fraction form
    74,443,226.80/111,668,339.40 = 23,326,913.20/x
  3. Step 3: Cross multiply
    74,443,226.80x = 111,668,339.40 × 23,326,913.20
  4. Step 4: Simplify right side
    74,443,226.80x = 2,604,877,660,371,940
  5. Step 5: Solve for x
    x = 2,604,877,660,371,940/74,443,226.80
  6. Step 6: Final answer
    x = 34,991,466.28

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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.