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Finding the Fourth Proportional to 27,143,643.80, 40,715,465.70 and 22,892,115.80

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Solution

The fourth proportional to 27,143,643.80, 40,715,465.70 and 22,892,115.80 is: 34,338,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143,643.80 : 40,715,465.70 = 22,892,115.80 : x
  2. Step 2: Convert to fraction form
    27,143,643.80/40,715,465.70 = 22,892,115.80/x
  3. Step 3: Cross multiply
    27,143,643.80x = 40,715,465.70 × 22,892,115.80
  4. Step 4: Simplify right side
    27,143,643.80x = 932,063,155,655,328.12
  5. Step 5: Solve for x
    x = 932,063,155,655,328.12/27,143,643.80
  6. Step 6: Final answer
    x = 34,338,173.70

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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.