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Finding the Fourth Proportional to 71,338,230.40, 107,010,844.80 and 37,326,006.40

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Solution

The fourth proportional to 71,338,230.40, 107,010,844.80 and 37,326,006.40 is: 55,990,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,338,230.40 : 107,010,844.80 = 37,326,006.40 : x
  2. Step 2: Convert to fraction form
    71,338,230.40/107,010,844.80 = 37,326,006.40/x
  3. Step 3: Cross multiply
    71,338,230.40x = 107,010,844.80 × 37,326,006.40
  4. Step 4: Simplify right side
    71,338,230.40x = 3,994,287,477,874,206.50
  5. Step 5: Solve for x
    x = 3,994,287,477,874,206.50/71,338,230.40
  6. Step 6: Final answer
    x = 55,990,840.47

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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.