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Finding the Fourth Proportional to 139,799,209.44, 209,698,703.52 and 37,563,247.20

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Solution

The fourth proportional to 139,799,209.44, 209,698,703.52 and 37,563,247.20 is: 56,344,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,799,209.44 : 209,698,703.52 = 37,563,247.20 : x
  2. Step 2: Convert to fraction form
    139,799,209.44/209,698,703.52 = 37,563,247.20/x
  3. Step 3: Cross multiply
    139,799,209.44x = 209,698,703.52 × 37,563,247.20
  4. Step 4: Simplify right side
    139,799,209.44x = 7,876,964,237,841,271
  5. Step 5: Solve for x
    x = 7,876,964,237,841,271/139,799,209.44
  6. Step 6: Final answer
    x = 56,344,841.07

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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.