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Finding the Fourth Proportional to 226,887,713.10, 340,331,569.65 and 65,345,978.70

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Solution

The fourth proportional to 226,887,713.10, 340,331,569.65 and 65,345,978.70 is: 98,018,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,887,713.10 : 340,331,569.65 = 65,345,978.70 : x
  2. Step 2: Convert to fraction form
    226,887,713.10/340,331,569.65 = 65,345,978.70/x
  3. Step 3: Cross multiply
    226,887,713.10x = 340,331,569.65 × 65,345,978.70
  4. Step 4: Simplify right side
    226,887,713.10x = 22,239,299,501,286,464
  5. Step 5: Solve for x
    x = 22,239,299,501,286,464/226,887,713.10
  6. Step 6: Final answer
    x = 98,018,968.05

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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.