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Finding the Fourth Proportional to 64,447,346.88, 96,668,398.44 and 15,923,978.82

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Solution

The fourth proportional to 64,447,346.88, 96,668,398.44 and 15,923,978.82 is: 23,885,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447,346.88 : 96,668,398.44 = 15,923,978.82 : x
  2. Step 2: Convert to fraction form
    64,447,346.88/96,668,398.44 = 15,923,978.82/x
  3. Step 3: Cross multiply
    64,447,346.88x = 96,668,398.44 × 15,923,978.82
  4. Step 4: Simplify right side
    64,447,346.88x = 1,539,345,529,321,881
  5. Step 5: Solve for x
    x = 1,539,345,529,321,881/64,447,346.88
  6. Step 6: Final answer
    x = 23,885,320.40

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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.